312113312122 has 16 divisors (see below), whose sum is σ = 468780998400. Its totient is φ = 155853084240.

The previous prime is 312113312111. The next prime is 312113312123. The reversal of 312113312122 is 221213311213.

It is a junction number, because it is equal to n+sod(n) for n = 312113312093 and 312113312102.

It is not an unprimeable number, because it can be changed into a prime (312113312123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6436347 + ... + 6484657.

It is an arithmetic number, because the mean of its divisors is an integer number (29298812400).

Almost surely, 2^312113312122 is an apocalyptic number.

312113312122 is a deficient number, since it is larger than the sum of its proper divisors (156667686278).

312113312122 is a wasteful number, since it uses less digits than its factorization.

312113312122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52461.

The product of its digits is 432, while the sum is 22.

Adding to 312113312122 its reverse (221213311213), we get a palindrome (533326623335).

Subtracting from 312113312122 its reverse (221213311213), we obtain a palindrome (90900000909).

The spelling of 312113312122 in words is "three hundred twelve billion, one hundred thirteen million, three hundred twelve thousand, one hundred twenty-two".