312212233123 has 12 divisors (see below), whose sum is σ = 363378030120. Its totient is φ = 267468738432.

The previous prime is 312212233079. The next prime is 312212233139. The reversal of 312212233123 is 321332212213.

It is not a de Polignac number, because 312212233123 - 2³³ = 303622298531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312212230123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1593961 + ... + 1779082.

It is an arithmetic number, because the mean of its divisors is an integer number (30281502510).

Almost surely, 2^312212233123 is an apocalyptic number.

312212233123 is a deficient number, since it is larger than the sum of its proper divisors (51165796997).

312212233123 is a wasteful number, since it uses less digits than its factorization.

312212233123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3374946 (or 3374939 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

Adding to 312212233123 its reverse (321332212213), we get a palindrome (633544445336).

The spelling of 312212233123 in words is "three hundred twelve billion, two hundred twelve million, two hundred thirty-three thousand, one hundred twenty-three".