312402311200422 has 64 divisors (see below), whose sum is σ = 697808853504000. Its totient is φ = 103597506728064.

The previous prime is 312402311200409. The next prime is 312402311200487. The reversal of 312402311200422 is 224002113204213.

312402311200422 is a `hidden beast` number, since 3 + 1 + 2 + 4 + 0 + 2 + 31 + 1 + 200 + 422 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9219079 + ... + 26641997.

It is an arithmetic number, because the mean of its divisors is an integer number (10903263336000).

Almost surely, 2^{312402311200422} is an apocalyptic number.

312402311200422 is an abundant number, since it is smaller than the sum of its proper divisors (385406542303578).

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

312402311200422 is a wasteful number, since it uses less digits than its factorization.

312402311200422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17424642 (or 17424636 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 312402311200422 its reverse (224002113204213), we get a palindrome (536404424404635).

The spelling of 312402311200422 in words is "three hundred twelve trillion, four hundred two billion, three hundred eleven million, two hundred thousand, four hundred twenty-two".