321942825012 has 48 divisors (see below), whose sum is σ = 803588083200. Its totient is φ = 99960410112.

The previous prime is 321942824993. The next prime is 321942825053. The reversal of 321942825012 is 210528249123.

It is a congruent number.

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, 8115012 + ... + 8154587.

It is an arithmetic number, because the mean of its divisors is an integer number (16741418400).

Almost surely, 2^321942825012 is an apocalyptic number.

It is an amenable number.

321942825012 is an abundant number, since it is smaller than the sum of its proper divisors (481645258188).

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

321942825012 is a wasteful number, since it uses less digits than its factorization.

321942825012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16269720 (or 16269718 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 321942825012 in words is "three hundred twenty-one billion, nine hundred forty-two million, eight hundred twenty-five thousand, twelve".