## Number of Zeros in One Trillion

**How many zeroes are there in one trillion?**

**12.**

The number 1 trillion has 12 zeroes. Written in numerical notation, 1 trillion is equivalent to 1,000,000,000,000. Â It is also sometimes called one thousand billion and is written in scientific notation as 1Ã—10^{12} or just 10^{12}. The word billion comes from the French word *trillion *which referred to ‘˜tri + (m)illion’™.

This fact is verified on : February 12, 2010.

OK the search is complete. Next?

Most people on the street have no idea how many zeros are in a trillion or for that

matter, a billion.