312203112022 has 32 divisors (see below), whose sum is σ = 495743886720. Its totient is φ = 147049499520.

The previous prime is 312203111993. The next prime is 312203112097. The reversal of 312203112022 is 220211302213.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

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, 8986878 + ... + 9021550.

It is an arithmetic number, because the mean of its divisors is an integer number (15491996460).

Almost surely, 2^312203112022 is an apocalyptic number.

312203112022 is a deficient number, since it is larger than the sum of its proper divisors (183540774698).

312203112022 is a wasteful number, since it uses less digits than its factorization.

312203112022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36028.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 312203112022 its reverse (220211302213), we get a palindrome (532414414235).

The spelling of 312203112022 in words is "three hundred twelve billion, two hundred three million, one hundred twelve thousand, twenty-two".