312012110232 has 48 divisors (see below), whose sum is σ = 867871530240. Its totient is φ = 101193115968.

The previous prime is 312012110203. The next prime is 312012110261. The reversal of 312012110232 is 232011210213.

312012110232 is a `hidden beast` number, since 312 + 0 + 12 + 110 + 232 = 666.

It is an interprime number because it is at equal distance from previous prime (312012110203) and next prime (312012110261).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58558168 + ... + 58563495.

It is an arithmetic number, because the mean of its divisors is an integer number (18080656880).

Almost surely, 2^312012110232 is an apocalyptic number.

It is an amenable number.

312012110232 is an abundant number, since it is smaller than the sum of its proper divisors (555859420008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312012110232 is a wasteful number, since it uses less digits than its factorization.

312012110232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117121712 (or 117121705 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 312012110232 its reverse (232011210213), we get a palindrome (544023320445).

The spelling of 312012110232 in words is "three hundred twelve billion, twelve million, one hundred ten thousand, two hundred thirty-two".