12013110230231 has 32 divisors (see below), whose sum is σ = 13460218751232. Its totient is φ = 10627088693760.

The previous prime is 12013110230207. The next prime is 12013110230239. The reversal of 12013110230231 is 13203201131021.

It is a happy number.

It is not a de Polignac number, because 12013110230231 - 2²⁶ = 12013043121367 is a prime.

It is a super-2 number, since 2×12013110230231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013110230239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1171662701 + ... + 1171672953.

It is an arithmetic number, because the mean of its divisors is an integer number (420631835976).

Almost surely, 2^{12013110230231} is an apocalyptic number.

12013110230231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12013110230231 is a deficient number, since it is larger than the sum of its proper divisors (1447108521001).

12013110230231 is a wasteful number, since it uses less digits than its factorization.

12013110230231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19343.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12013110230231 its reverse (13203201131021), we get a palindrome (25216311361252).

The spelling of 12013110230231 in words is "twelve trillion, thirteen billion, one hundred ten million, two hundred thirty thousand, two hundred thirty-one".