3112123023213 has 16 divisors (see below), whose sum is σ = 4446520214976. Its totient is φ = 1929178077440.

The previous prime is 3112123023133. The next prime is 3112123023271. The reversal of 3112123023213 is 3123203212113.

It is a cyclic number.

It is not a de Polignac number, because 3112123023213 - 2¹⁷ = 3112122892141 is a prime.

It is a super-2 number, since 2×3112123023213² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3112123023283) 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, 367598298 + ... + 367606763.

It is an arithmetic number, because the mean of its divisors is an integer number (277907513436).

Almost surely, 2^{3112123023213} is an apocalyptic number.

It is an amenable number.

3112123023213 is a deficient number, since it is larger than the sum of its proper divisors (1334397191763).

3112123023213 is a wasteful number, since it uses less digits than its factorization.

3112123023213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735205164.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 3112123023213 its reverse (3123203212113), we get a palindrome (6235326235326).

The spelling of 3112123023213 in words is "three trillion, one hundred twelve billion, one hundred twenty-three million, twenty-three thousand, two hundred thirteen".