312235621612 has 6 divisors (see below), whose sum is σ = 546412337828. Its totient is φ = 156117810804.

The previous prime is 312235621609. The next prime is 312235621613. The reversal of 312235621612 is 216126532213.

It is not an unprimeable number, because it can be changed into a prime (312235621613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39029452698 + ... + 39029452705.

Almost surely, 2^312235621612 is an apocalyptic number.

It is an amenable number.

312235621612 is a deficient number, since it is larger than the sum of its proper divisors (234176716216).

312235621612 is a wasteful number, since it uses less digits than its factorization.

312235621612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78058905407 (or 78058905405 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The spelling of 312235621612 in words is "three hundred twelve billion, two hundred thirty-five million, six hundred twenty-one thousand, six hundred twelve".