313210112012 has 24 divisors (see below), whose sum is σ = 663268473504. Its totient is φ = 126336851712.

The previous prime is 313210112009. The next prime is 313210112027. The reversal of 313210112012 is 210211012313.

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 329001743 + ... + 329002694.

It is an arithmetic number, because the mean of its divisors is an integer number (27636186396).

Almost surely, 2^313210112012 is an apocalyptic number.

It is an amenable number.

313210112012 is an abundant number, since it is smaller than the sum of its proper divisors (350058361492).

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

313210112012 is a wasteful number, since it uses less digits than its factorization.

313210112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658004465 (or 658004463 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 313210112012 its reverse (210211012313), we get a palindrome (523421124325).

The spelling of 313210112012 in words is "three hundred thirteen billion, two hundred ten million, one hundred twelve thousand, twelve".