313012123122 has 64 divisors (see below), whose sum is σ = 650104012800. Its totient is φ = 100365531840.

The previous prime is 313012123103. The next prime is 313012123133. The reversal of 313012123122 is 221321210313.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46861779 + ... + 46868457.

It is an arithmetic number, because the mean of its divisors is an integer number (10157875200).

Almost surely, 2^313012123122 is an apocalyptic number.

313012123122 is an abundant number, since it is smaller than the sum of its proper divisors (337091889678).

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

313012123122 is a wasteful number, since it uses less digits than its factorization.

313012123122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8191.

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

Adding to 313012123122 its reverse (221321210313), we get a palindrome (534333333435).

The spelling of 313012123122 in words is "three hundred thirteen billion, twelve million, one hundred twenty-three thousand, one hundred twenty-two".