323121323130012 has 72 divisors (see below), whose sum is σ = 891166151890560. Its totient is φ = 97900758565920.

The previous prime is 323121323129993. The next prime is 323121323130101. The reversal of 323121323130012 is 210031323121323.

323121323130012 is a `hidden beast` number, since 3 + 2 + 3 + 1 + 21 + 323 + 1 + 300 + 12 = 666.

It is a super-2 number, since 2×323121323130012² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59016808 + ... + 64259055.

Almost surely, 2^{323121323130012} is an apocalyptic number.

It is an amenable number.

323121323130012 is an abundant number, since it is smaller than the sum of its proper divisors (568044828760548).

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

323121323130012 is a wasteful number, since it uses less digits than its factorization.

323121323130012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123282503 (or 123282498 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 323121323130012 its reverse (210031323121323), we get a palindrome (533152646251335).

The spelling of 323121323130012 in words is "three hundred twenty-three trillion, one hundred twenty-one billion, three hundred twenty-three million, one hundred thirty thousand, twelve".