312123300133232 has 40 divisors (see below), whose sum is σ = 691135082237952. Its totient is φ = 133766176824000.

The previous prime is 312123300133231. The next prime is 312123300133273. The reversal of 312123300133232 is 232331003321213.

It is a junction number, because it is equal to n+sod(n) for n = 312123300133195 and 312123300133204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312123300133231) 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, 6009857 + ... + 25697567.

Almost surely, 2^{312123300133232} is an apocalyptic number.

It is an amenable number.

312123300133232 is an abundant number, since it is smaller than the sum of its proper divisors (379011782104720).

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

312123300133232 is a wasteful number, since it uses less digits than its factorization.

312123300133232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19829277 (or 19829271 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 312123300133232 its reverse (232331003321213), we get a palindrome (544454303454445).

The spelling of 312123300133232 in words is "three hundred twelve trillion, one hundred twenty-three billion, three hundred million, one hundred thirty-three thousand, two hundred thirty-two".