12657431004 has 12 divisors (see below), whose sum is σ = 29534005704. Its totient is φ = 4219143664.

The previous prime is 12657430991. The next prime is 12657431029. The reversal of 12657431004 is 40013475621.

12657431004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 527392947 + ... + 527392970.

It is an arithmetic number, because the mean of its divisors is an integer number (2461167142).

Almost surely, 2^12657431004 is an apocalyptic number.

It is an amenable number.

12657431004 is an abundant number, since it is smaller than the sum of its proper divisors (16876574700).

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

12657431004 is a wasteful number, since it uses less digits than its factorization.

12657431004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054785924 (or 1054785922 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The spelling of 12657431004 in words is "twelve billion, six hundred fifty-seven million, four hundred thirty-one thousand, four".