312132023220022 has 16 divisors (see below), whose sum is σ = 468990107807760. Its totient is φ = 155801990126592.

The previous prime is 312132023220001. The next prime is 312132023220037. The reversal of 312132023220022 is 220022320231213.

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, 259155718 + ... + 260357350.

It is an arithmetic number, because the mean of its divisors is an integer number (29311881737985).

Almost surely, 2^{312132023220022} is an apocalyptic number.

312132023220022 is a deficient number, since it is larger than the sum of its proper divisors (156858084587738).

312132023220022 is a wasteful number, since it uses less digits than its factorization.

312132023220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421247.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 312132023220022 its reverse (220022320231213), we get a palindrome (532154343451235).

The spelling of 312132023220022 in words is "three hundred twelve trillion, one hundred thirty-two billion, twenty-three million, two hundred twenty thousand, twenty-two".