323121111312 has 40 divisors (see below), whose sum is σ = 835743891904. Its totient is φ = 107576152704.

The previous prime is 323121111253. The next prime is 323121111329. The reversal of 323121111312 is 213111121323.

It is a super-2 number, since 2×323121111312² (a number of 24 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

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, 4050223 + ... + 4129230.

Almost surely, 2^323121111312 is an apocalyptic number.

It is an amenable number.

323121111312 is an abundant number, since it is smaller than the sum of its proper divisors (512622780592).

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

323121111312 is a wasteful number, since it uses less digits than its factorization.

323121111312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8180287 (or 8180281 counting only the distinct ones).

The product of its digits is 216, while the sum is 21.

Adding to 323121111312 its reverse (213111121323), we get a palindrome (536232232635).

The spelling of 323121111312 in words is "three hundred twenty-three billion, one hundred twenty-one million, one hundred eleven thousand, three hundred twelve".