How many carbons are there?

How many carbons are there? The answer is billions of atoms of carbon.

However,

Carbon is an element.

It is No. 6 in Periodic Table.

It has an Atomic Mass of '12'

It has two further isotopes each with an atomic mass of '13' & '14'.

It has the ability to catenate, form long chains.

It has three allotropes. ; viz. Graphite, Diamond, & Buckminster Fullerene(Footballene).

It is the primary element of Organic Chemistry.