123212303023131 has 96 divisors (see below), whose sum is σ = 221177452953600. Its totient is φ = 64500775139520.

The previous prime is 123212303023123. The next prime is 123212303023213. The reversal of 123212303023131 is 131320303212321.

123212303023131 is a `hidden beast` number, since 1 + 2 + 3 + 2 + 12 + 30 + 302 + 313 + 1 = 666.

It is not a de Polignac number, because 123212303023131 - 2³ = 123212303023123 is a prime.

It is a super-2 number, since 2×123212303023131² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123212303023095 and 123212303023104.

It is not an unprimeable number, because it can be changed into a prime (123212303021131) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 47685430 + ... + 50202836.

It is an arithmetic number, because the mean of its divisors is an integer number (2303931801600).

Almost surely, 2^{123212303023131} is an apocalyptic number.

123212303023131 is a deficient number, since it is larger than the sum of its proper divisors (97965149930469).

123212303023131 is a wasteful number, since it uses less digits than its factorization.

123212303023131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2518789 (or 2518786 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 123212303023131 its reverse (131320303212321), we get a palindrome (254532606235452).

The spelling of 123212303023131 in words is "one hundred twenty-three trillion, two hundred twelve billion, three hundred three million, twenty-three thousand, one hundred thirty-one".