12920590392 has 16 divisors (see below), whose sum is σ = 32301476040. Its totient is φ = 4306863456.

The previous prime is 12920590381. The next prime is 12920590399. The reversal of 12920590392 is 29309502921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12920590399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269178943 + ... + 269178990.

Almost surely, 2^12920590392 is an apocalyptic number.

12920590392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12920590392 is an abundant number, since it is smaller than the sum of its proper divisors (19380885648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12920590392 is a wasteful number, since it uses less digits than its factorization.

12920590392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538357942 (or 538357938 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 42.

The spelling of 12920590392 in words is "twelve billion, nine hundred twenty million, five hundred ninety thousand, three hundred ninety-two".