312112210022 has 32 divisors (see below), whose sum is σ = 504303667200. Its totient is φ = 144331279488.

The previous prime is 312112210021. The next prime is 312112210049. The reversal of 312112210022 is 220012211213.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312112210021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5425703 + ... + 5482925.

It is an arithmetic number, because the mean of its divisors is an integer number (15759489600).

Almost surely, 2^312112210022 is an apocalyptic number.

312112210022 is a deficient number, since it is larger than the sum of its proper divisors (192191457178).

312112210022 is a wasteful number, since it uses less digits than its factorization.

312112210022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60020.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 312112210022 its reverse (220012211213), we get a palindrome (532124421235).

The spelling of 312112210022 in words is "three hundred twelve billion, one hundred twelve million, two hundred ten thousand, twenty-two".