12013010023231 has 8 divisors (see below), whose sum is σ = 14202573426720. Its totient is φ = 9941801398368.

The previous prime is 12013010023219. The next prime is 12013010023297. The reversal of 12013010023231 is 13232001031021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12013010023231 - 2⁷ = 12013010023103 is a prime.

It is a super-2 number, since 2×12013010023231² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12013010023199 and 12013010023208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013010323231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29588694436 + ... + 29588694841.

It is an arithmetic number, because the mean of its divisors is an integer number (1775321678340).

Almost surely, 2^{12013010023231} is an apocalyptic number.

12013010023231 is a deficient number, since it is larger than the sum of its proper divisors (2189563403489).

12013010023231 is an equidigital number, since it uses as much as digits as its factorization.

12013010023231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59177389313.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12013010023231 its reverse (13232001031021), we get a palindrome (25245011054252).

The spelling of 12013010023231 in words is "twelve trillion, thirteen billion, ten million, twenty-three thousand, two hundred thirty-one".