Q: What is the negative version of the number 212,731,221?
A: -212,731,221
Negative numbers are usually written with - in front of them. They represent a number that is less than zero.
Here are more examples of negative numbers in sequence:
| 212,731,219 | 212,731,220 | 212,731,222 | 212,731,223 |
| -212,731,219 | -212,731,220 | -212,731,222 | -212,731,223 |