312123000320022 has 64 divisors (see below), whose sum is σ = 654780233548800. Its totient is φ = 99071953929216.

The previous prime is 312123000319997. The next prime is 312123000320039. The reversal of 312123000320022 is 220023000321213.

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 31 ways as a sum of consecutive naturals, for example, 321059229 + ... + 322029927.

It is an arithmetic number, because the mean of its divisors is an integer number (10230941149200).

Almost surely, 2^{312123000320022} is an apocalyptic number.

312123000320022 is an abundant number, since it is smaller than the sum of its proper divisors (342657233228778).

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

312123000320022 is a wasteful number, since it uses less digits than its factorization.

312123000320022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001605.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 312123000320022 its reverse (220023000321213), we get a palindrome (532146000641235).

The spelling of 312123000320022 in words is "three hundred twelve trillion, one hundred twenty-three billion, three hundred twenty thousand, twenty-two".