321213011012 has 24 divisors (see below), whose sum is σ = 593056094400. Its totient is φ = 151806924576.

The previous prime is 321213010957. The next prime is 321213011029. The reversal of 321213011012 is 210110312123.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4780403 + ... + 4847130.

It is an arithmetic number, because the mean of its divisors is an integer number (24710670600).

Almost surely, 2^321213011012 is an apocalyptic number.

It is an amenable number.

321213011012 is a deficient number, since it is larger than the sum of its proper divisors (271843083388).

321213011012 is a wasteful number, since it uses less digits than its factorization.

321213011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9627995 (or 9627993 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 321213011012 its reverse (210110312123), we get a palindrome (531323323135).

The spelling of 321213011012 in words is "three hundred twenty-one billion, two hundred thirteen million, eleven thousand, twelve".