312442422156852 has 48 divisors (see below), whose sum is σ = 785137186417920. Its totient is φ = 96133012472448.

The previous prime is 312442422156847. The next prime is 312442422156853. The reversal of 312442422156852 is 258651224244213.

It is a junction number, because it is equal to n+sod(n) for n = 312442422156795 and 312442422156804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312442422156853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27644652 + ... + 37270787.

It is an arithmetic number, because the mean of its divisors is an integer number (16357024717040).

Almost surely, 2^{312442422156852} is an apocalyptic number.

It is an amenable number.

312442422156852 is an abundant number, since it is smaller than the sum of its proper divisors (472694764261068).

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

312442422156852 is a wasteful number, since it uses less digits than its factorization.

312442422156852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64946312 (or 64946310 counting only the distinct ones).

The product of its digits is 7372800, while the sum is 51.

The spelling of 312442422156852 in words is "three hundred twelve trillion, four hundred forty-two billion, four hundred twenty-two million, one hundred fifty-six thousand, eight hundred fifty-two".