312011232412312 has 16 divisors (see below), whose sum is σ = 591594331120200. Its totient is φ = 154252744113600.

The previous prime is 312011232412309. The next prime is 312011232412349. The reversal of 312011232412312 is 213214232110213.

It is a happy number.

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, 219109010814 + ... + 219109012237.

Almost surely, 2^{312011232412312} is an apocalyptic number.

It is an amenable number.

312011232412312 is a deficient number, since it is larger than the sum of its proper divisors (279583098707888).

312011232412312 is a wasteful number, since it uses less digits than its factorization.

312011232412312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438218023146 (or 438218023142 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 312011232412312 its reverse (213214232110213), we get a palindrome (525225464522525).

The spelling of 312011232412312 in words is "three hundred twelve trillion, eleven billion, two hundred thirty-two million, four hundred twelve thousand, three hundred twelve".