312012012032312 has 16 divisors (see below), whose sum is σ = 597469810275360. Its totient is φ = 152686729292224.

The previous prime is 312012012032269. The next prime is 312012012032321. The reversal of 312012012032312 is 213230210210213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414909590093 + ... + 414909590844.

It is an arithmetic number, because the mean of its divisors is an integer number (37341863142210).

Almost surely, 2^{312012012032312} is an apocalyptic number.

It is an amenable number.

312012012032312 is a deficient number, since it is larger than the sum of its proper divisors (285457798243048).

312012012032312 is a wasteful number, since it uses less digits than its factorization.

312012012032312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829819180990 (or 829819180986 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 312012012032312 its reverse (213230210210213), we get a palindrome (525242222242525).

The spelling of 312012012032312 in words is "three hundred twelve trillion, twelve billion, twelve million, thirty-two thousand, three hundred twelve".