12032103231 has 16 divisors (see below), whose sum is σ = 17827027200. Its totient is φ = 8020642104.

The previous prime is 12032103221. The next prime is 12032103233. The reversal of 12032103231 is 13230123021.

12032103231 is a `hidden beast` number, since 1 + 20 + 321 + 0 + 323 + 1 = 666.

It is not a de Polignac number, because 12032103231 - 2⁵ = 12032103199 is a prime.

It is a super-2 number, since 2×12032103231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12032103233) 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, 549760 + ... + 571226.

It is an arithmetic number, because the mean of its divisors is an integer number (1114189200).

Almost surely, 2^12032103231 is an apocalyptic number.

12032103231 is a deficient number, since it is larger than the sum of its proper divisors (5794923969).

12032103231 is a wasteful number, since it uses less digits than its factorization.

12032103231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42235 (or 42229 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12032103231 its reverse (13230123021), we get a palindrome (25262226252).

The spelling of 12032103231 in words is "twelve billion, thirty-two million, one hundred three thousand, two hundred thirty-one".