921200002100212 has 12 divisors (see below), whose sum is σ = 1638527872588516. Its totient is φ = 453049181360640.

The previous prime is 921200002100143. The next prime is 921200002100233. The reversal of 921200002100212 is 212001200002129.

It can be written as a sum of positive squares in 2 ways, for example, as 63811562909796 + 857388439190416 = 7988214^2 + 29281196^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1887704922093 + ... + 1887704922580.

Almost surely, 2^{921200002100212} is an apocalyptic number.

It is an amenable number.

921200002100212 is a deficient number, since it is larger than the sum of its proper divisors (717327870488304).

921200002100212 is a wasteful number, since it uses less digits than its factorization.

921200002100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3775409844738 (or 3775409844736 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 921200002100212 in words is "nine hundred twenty-one trillion, two hundred billion, two million, one hundred thousand, two hundred twelve".