312442422222390 has 32 divisors (see below), whose sum is σ = 760423247329536. Its totient is φ = 82144486593120.

The previous prime is 312442422222389. The next prime is 312442422222431. The reversal of 312442422222390 is 93222224244213.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73343289472 + ... + 73343293731.

It is an arithmetic number, because the mean of its divisors is an integer number (23763226479048).

Almost surely, 2^{312442422222390} is an apocalyptic number.

312442422222390 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

312442422222390 is an abundant number, since it is smaller than the sum of its proper divisors (447980825107146).

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

312442422222390 is a wasteful number, since it uses less digits than its factorization.

312442422222390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146686583284.

The product of its (nonzero) digits is 663552, while the sum is 42.

The spelling of 312442422222390 in words is "three hundred twelve trillion, four hundred forty-two billion, four hundred twenty-two million, two hundred twenty-two thousand, three hundred ninety".