312310312012 has 24 divisors (see below), whose sum is σ = 551920578272. Its totient is φ = 154625328000.

The previous prime is 312310312009. The next prime is 312310312033. The reversal of 312310312012 is 210213013213.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 636939 + ... + 1015042.

Almost surely, 2^312310312012 is an apocalyptic number.

It is an amenable number.

312310312012 is a deficient number, since it is larger than the sum of its proper divisors (239610266260).

312310312012 is a wasteful number, since it uses less digits than its factorization.

312310312012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652449 (or 1652447 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 312310312012 its reverse (210213013213), we get a palindrome (522523325225).

The spelling of 312310312012 in words is "three hundred twelve billion, three hundred ten million, three hundred twelve thousand, twelve".