123020033111213 has 48 divisors (see below), whose sum is σ = 144423053115264. Its totient is φ = 104477131624320.

The previous prime is 123020033111197. The next prime is 123020033111243. The reversal of 123020033111213 is 312111330020321.

It is not a de Polignac number, because 123020033111213 - 2⁴ = 123020033111197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123020033111243) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22074289895 + ... + 22074295467.

It is an arithmetic number, because the mean of its divisors is an integer number (3008813606568).

Almost surely, 2^{123020033111213} is an apocalyptic number.

It is an amenable number.

123020033111213 is a deficient number, since it is larger than the sum of its proper divisors (21403020004051).

123020033111213 is a wasteful number, since it uses less digits than its factorization.

123020033111213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10482 (or 10475 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 123020033111213 its reverse (312111330020321), we get a palindrome (435131363131534).

The spelling of 123020033111213 in words is "one hundred twenty-three trillion, twenty billion, thirty-three million, one hundred eleven thousand, two hundred thirteen".