31212412396 has 24 divisors (see below), whose sum is σ = 59740546320. Its totient is φ = 14150980800.

The previous prime is 31212412339. The next prime is 31212412397. The reversal of 31212412396 is 69321421213.

It is not an unprimeable number, because it can be changed into a prime (31212412397) 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, 894675 + ... + 928906.

It is an arithmetic number, because the mean of its divisors is an integer number (2489189430).

Almost surely, 2^31212412396 is an apocalyptic number.

It is an amenable number.

31212412396 is a deficient number, since it is larger than the sum of its proper divisors (28528133924).

31212412396 is a wasteful number, since it uses less digits than its factorization.

31212412396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823985 (or 1823983 counting only the distinct ones).

The product of its digits is 15552, while the sum is 34.

The spelling of 31212412396 in words is "thirty-one billion, two hundred twelve million, four hundred twelve thousand, three hundred ninety-six".