3931289396012 has 48 divisors (see below), whose sum is σ = 7529804543520. Its totient is φ = 1781090265600.

The previous prime is 3931289395991. The next prime is 3931289396029. The reversal of 3931289396012 is 2106939821393.

3931289396012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171953462 + ... + 171976322.

It is an arithmetic number, because the mean of its divisors is an integer number (156870927990).

Almost surely, 2^{3931289396012} is an apocalyptic number.

It is an amenable number.

3931289396012 is a deficient number, since it is larger than the sum of its proper divisors (3598515147508).

3931289396012 is a wasteful number, since it uses less digits than its factorization.

3931289396012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35522 (or 35520 counting only the distinct ones).

The product of its (nonzero) digits is 3779136, while the sum is 56.

The spelling of 3931289396012 in words is "three trillion, nine hundred thirty-one billion, two hundred eighty-nine million, three hundred ninety-six thousand, twelve".