312303122132 has 24 divisors (see below), whose sum is σ = 576190020000. Its totient is φ = 147702967776.

The previous prime is 312303122123. The next prime is 312303122149. The reversal of 312303122132 is 231221303213.

It is a junction number, because it is equal to n+sod(n) for n = 312303122098 and 312303122107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3146507 + ... + 3244242.

It is an arithmetic number, because the mean of its divisors is an integer number (24007917500).

Almost surely, 2^312303122132 is an apocalyptic number.

It is an amenable number.

312303122132 is a deficient number, since it is larger than the sum of its proper divisors (263886897868).

312303122132 is a wasteful number, since it uses less digits than its factorization.

312303122132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6391415 (or 6391413 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 312303122132 its reverse (231221303213), we get a palindrome (543524425345).

The spelling of 312303122132 in words is "three hundred twelve billion, three hundred three million, one hundred twenty-two thousand, one hundred thirty-two".