321322111012 has 12 divisors (see below), whose sum is σ = 642644222080. Its totient is φ = 137709476136.

The previous prime is 321322111009. The next prime is 321322111027. The reversal of 321322111012 is 210111223123.

321322111012 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5737894812 + ... + 5737894867.

Almost surely, 2^321322111012 is an apocalyptic number.

It is an amenable number.

321322111012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

321322111012 is a wasteful number, since it uses less digits than its factorization.

321322111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11475789690 (or 11475789688 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 321322111012 its reverse (210111223123), we get a palindrome (531433334135).

The spelling of 321322111012 in words is "three hundred twenty-one billion, three hundred twenty-two million, one hundred eleven thousand, twelve".