312323302122 has 32 divisors (see below), whose sum is σ = 679356720000. Its totient is φ = 95147995200.

The previous prime is 312323302087. The next prime is 312323302147. The reversal of 312323302122 is 221203323213.

It is a junction number, because it is equal to n+sod(n) for n = 312323302092 and 312323302101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19814622 + ... + 19830377.

It is an arithmetic number, because the mean of its divisors is an integer number (21229897500).

Almost surely, 2^312323302122 is an apocalyptic number.

312323302122 is an abundant number, since it is smaller than the sum of its proper divisors (367033417878).

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

312323302122 is a wasteful number, since it uses less digits than its factorization.

312323302122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39645118.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 312323302122 its reverse (221203323213), we get a palindrome (533526625335).

The spelling of 312323302122 in words is "three hundred twelve billion, three hundred twenty-three million, three hundred two thousand, one hundred twenty-two".