321012331122 has 64 divisors (see below), whose sum is σ = 747664220160. Its totient is φ = 89993934144.

The previous prime is 321012331121. The next prime is 321012331139. The reversal of 321012331122 is 221133210123.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (321012331121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131143 + ... + 811925.

It is an arithmetic number, because the mean of its divisors is an integer number (11682253440).

Almost surely, 2^321012331122 is an apocalyptic number.

321012331122 is an abundant number, since it is smaller than the sum of its proper divisors (426651889038).

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

321012331122 is a wasteful number, since it uses less digits than its factorization.

321012331122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681007.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 321012331122 its reverse (221133210123), we get a palindrome (542145541245).

The spelling of 321012331122 in words is "three hundred twenty-one billion, twelve million, three hundred thirty-one thousand, one hundred twenty-two".