312212031042012 has 24 divisors (see below), whose sum is σ = 728511219507456. Its totient is φ = 104068322669808.

The previous prime is 312212031042001. The next prime is 312212031042017. The reversal of 312212031042012 is 210240130212213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312212031042017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293740438 + ... + 294801405.

It is an arithmetic number, because the mean of its divisors is an integer number (30354634146144).

Almost surely, 2^{312212031042012} is an apocalyptic number.

It is an amenable number.

312212031042012 is an abundant number, since it is smaller than the sum of its proper divisors (416299188465444).

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

312212031042012 is a wasteful number, since it uses less digits than its factorization.

312212031042012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588586057 (or 588586055 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 312212031042012 its reverse (210240130212213), we get a palindrome (522452161254225).

The spelling of 312212031042012 in words is "three hundred twelve trillion, two hundred twelve billion, thirty-one million, forty-two thousand, twelve".