12990533658904 has 16 divisors (see below), whose sum is σ = 24923698299720. Its totient is φ = 6344214112320.

The previous prime is 12990533658899. The next prime is 12990533658913. The reversal of 12990533658904 is 40985633509921.

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, 18881589277 + ... + 18881589964.

Almost surely, 2^{12990533658904} is an apocalyptic number.

It is an amenable number.

12990533658904 is a deficient number, since it is larger than the sum of its proper divisors (11933164640816).

12990533658904 is a wasteful number, since it uses less digits than its factorization.

12990533658904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37763179290 (or 37763179286 counting only the distinct ones).

The product of its (nonzero) digits is 62985600, while the sum is 64.

The spelling of 12990533658904 in words is "twelve trillion, nine hundred ninety billion, five hundred thirty-three million, six hundred fifty-eight thousand, nine hundred four".