312172274612 has 12 divisors (see below), whose sum is σ = 595965251616. Its totient is φ = 141896488440.

The previous prime is 312172274591. The next prime is 312172274641. The reversal of 312172274612 is 216472271213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3547412168 + ... + 3547412255.

It is an arithmetic number, because the mean of its divisors is an integer number (49663770968).

Almost surely, 2^312172274612 is an apocalyptic number.

It is an amenable number.

312172274612 is a deficient number, since it is larger than the sum of its proper divisors (283792977004).

312172274612 is a wasteful number, since it uses less digits than its factorization.

312172274612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7094824438 (or 7094824436 counting only the distinct ones).

The product of its digits is 56448, while the sum is 38.

The spelling of 312172274612 in words is "three hundred twelve billion, one hundred seventy-two million, two hundred seventy-four thousand, six hundred twelve".