312012223022 has 16 divisors (see below), whose sum is σ = 469299089952. Its totient is φ = 155579577120.

The previous prime is 312012222997. The next prime is 312012223049. The reversal of 312012223022 is 220322210213.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 312012222985 and 312012223003.

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, 1549028 + ... + 1738824.

It is an arithmetic number, because the mean of its divisors is an integer number (29331193122).

Almost surely, 2^312012223022 is an apocalyptic number.

312012223022 is a deficient number, since it is larger than the sum of its proper divisors (157286866930).

312012223022 is a wasteful number, since it uses less digits than its factorization.

312012223022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192043.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 312012223022 its reverse (220322210213), we get a palindrome (532334433235).

The spelling of 312012223022 in words is "three hundred twelve billion, twelve million, two hundred twenty-three thousand, twenty-two".