312312111122 has 16 divisors (see below), whose sum is σ = 511408443744. Its totient is φ = 141862200000.

The previous prime is 312312111121. The next prime is 312312111149. The reversal of 312312111122 is 221111213213.

It is a junction number, because it is equal to n+sod(n) for n = 312312111094 and 312312111103.

It is not an unprimeable number, because it can be changed into a prime (312312111121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4859879 + ... + 4923722.

It is an arithmetic number, because the mean of its divisors is an integer number (31963027734).

Almost surely, 2^312312111122 is an apocalyptic number.

312312111122 is a deficient number, since it is larger than the sum of its proper divisors (199096332622).

312312111122 is a wasteful number, since it uses less digits than its factorization.

312312111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9785065.

The product of its digits is 144, while the sum is 20.

Adding to 312312111122 its reverse (221111213213), we get a palindrome (533423324335).

The spelling of 312312111122 in words is "three hundred twelve billion, three hundred twelve million, one hundred eleven thousand, one hundred twenty-two".