312142631912 has 16 divisors (see below), whose sum is σ = 587891955840. Its totient is φ = 155371443696.

The previous prime is 312142631909. The next prime is 312142631923. The reversal of 312142631912 is 219136241213.

It is a happy 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, 87482138 + ... + 87485705.

It is an arithmetic number, because the mean of its divisors is an integer number (36743247240).

Almost surely, 2^312142631912 is an apocalyptic number.

It is an amenable number.

312142631912 is a deficient number, since it is larger than the sum of its proper divisors (275749323928).

312142631912 is a wasteful number, since it uses less digits than its factorization.

312142631912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174968072 (or 174968068 counting only the distinct ones).

The product of its digits is 15552, while the sum is 35.

The spelling of 312142631912 in words is "three hundred twelve billion, one hundred forty-two million, six hundred thirty-one thousand, nine hundred twelve".