123210131302213 has 16 divisors (see below), whose sum is σ = 132587692646400. Its totient is φ = 114223887814960.

The previous prime is 123210131302201. The next prime is 123210131302243. The reversal of 123210131302213 is 312203131012321.

It is a cyclic number.

It is not a de Polignac number, because 123210131302213 - 2³⁷ = 123072692348741 is a prime.

It is a super-2 number, since 2×123210131302213² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123210131302243) 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, 639311893 + ... + 639504586.

It is an arithmetic number, because the mean of its divisors is an integer number (8286730790400).

Almost surely, 2^{123210131302213} is an apocalyptic number.

It is an amenable number.

123210131302213 is a deficient number, since it is larger than the sum of its proper divisors (9377561344187).

123210131302213 is a wasteful number, since it uses less digits than its factorization.

123210131302213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278816632.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 123210131302213 its reverse (312203131012321), we get a palindrome (435413262314534).

The spelling of 123210131302213 in words is "one hundred twenty-three trillion, two hundred ten billion, one hundred thirty-one million, three hundred two thousand, two hundred thirteen".