12,021 in words
12,021
twelve thousand and twenty-one
12,021 is written twelve thousand and twenty-one.
Ways to write it
- As an ordinal
- twelve thousand and twenty-first
- Expanded form
- 10,000 + 2,000 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 1 | 10,000 |
| thousands | 2 | 2,000 |
| hundreds | 0 | 0 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 3, 4,007 and 12,021 (4 factors)
- First 10 multiples
- 12,021, 24,042, 36,063, 48,084, 60,105, 72,126, 84,147, 96,168, 108,189, 120,210
- Square
- 12,021 × 12,021 = 144,504,441
- Square root
- ≈ 109.64
- Sum of the digits
- 1 + 2 + 0 + 2 + 1 = 6
- Rounded to the nearest 10
- 12,020
- Rounded to the nearest 100
- 12,000
- Rounded to the nearest 1000
- 12,000
- Number before
- 12,020
- Number after
- 12,022
- In binary
10111011110101
Quick check
What number comes just after 12,021?
Show the answer
12,022
Is 12,021 even or odd?
Show the answer
Odd
What is 12,021 + 10?
Show the answer
12,031
Practise with a game
Factors, Multiples & Primes
Multiples, factors, prime numbers, square numbers and prime factors.
Number Patterns
Find the missing number in a sequence.Frequently asked questions
How do you write 12,021 in words?
12,021 is written "twelve thousand and twenty-one".
Is 12,021 a prime number?
No. 12,021 is a composite number, because it has more than two factors.
What are the factors of 12,021?
The factors of 12,021 are 1, 3, 4,007 and 12,021.