312444203112012 has 24 divisors (see below), whose sum is σ = 732220039322800. Its totient is φ = 103693272647616.

The previous prime is 312444203111951. The next prime is 312444203112031. The reversal of 312444203112012 is 210211302444213.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 56849379187 + ... + 56849384682.

Almost surely, 2^{312444203112012} is an apocalyptic number.

It is an amenable number.

312444203112012 is an abundant number, since it is smaller than the sum of its proper divisors (419775836210788).

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

312444203112012 is a wasteful number, since it uses less digits than its factorization.

312444203112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113698764105 (or 113698764103 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 312444203112012 its reverse (210211302444213), we get a palindrome (522655505556225).

The spelling of 312444203112012 in words is "three hundred twelve trillion, four hundred forty-four billion, two hundred three million, one hundred twelve thousand, twelve".