312110321123 has 16 divisors (see below), whose sum is σ = 326769607296. Its totient is φ = 297865512000.

The previous prime is 312110321087. The next prime is 312110321227. The reversal of 312110321123 is 321123011213.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 312110321123 - 2⁶ = 312110321059 is a prime.

It is a super-2 number, since 2×312110321123² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312110321095 and 312110321104.

It is not an unprimeable number, because it can be changed into a prime (312110321023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128753 + ... + 800498.

It is an arithmetic number, because the mean of its divisors is an integer number (20423100456).

Almost surely, 2^312110321123 is an apocalyptic number.

312110321123 is a deficient number, since it is larger than the sum of its proper divisors (14659286173).

312110321123 is a wasteful number, since it uses less digits than its factorization.

312110321123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929474.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 312110321123 its reverse (321123011213), we get a palindrome (633233332336).

The spelling of 312110321123 in words is "three hundred twelve billion, one hundred ten million, three hundred twenty-one thousand, one hundred twenty-three".