312012323231132 has 12 divisors (see below), whose sum is σ = 546021730769256. Its totient is φ = 156006114439920.

The previous prime is 312012323231009. The next prime is 312012323231153. The reversal of 312012323231132 is 231132323210213.

It is a junction number, because it is equal to n+sod(n) for n = 312012323231095 and 312012323231104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6105707 + ... + 25715837.

It is an arithmetic number, because the mean of its divisors is an integer number (45501810897438).

Almost surely, 2^{312012323231132} is an apocalyptic number.

It is an amenable number.

312012323231132 is a deficient number, since it is larger than the sum of its proper divisors (234009407538124).

312012323231132 is a wasteful number, since it uses less digits than its factorization.

312012323231132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23587828 (or 23587826 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 312012323231132 its reverse (231132323210213), we get a palindrome (543144646441345).

The spelling of 312012323231132 in words is "three hundred twelve trillion, twelve billion, three hundred twenty-three million, two hundred thirty-one thousand, one hundred thirty-two".