12243524131 has 4 divisors (see below), whose sum is σ = 12243750552. Its totient is φ = 12243297712.

The previous prime is 12243524107. The next prime is 12243524141. The reversal of 12243524131 is 13142534221.

12243524131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12243524131 - 2⁷ = 12243524003 is a prime.

It is a super-2 number, since 2×12243524131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12243524131.

It is not an unprimeable number, because it can be changed into a prime (12243524101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20700 + ... + 157846.

It is an arithmetic number, because the mean of its divisors is an integer number (3060937638).

Almost surely, 2^12243524131 is an apocalyptic number.

12243524131 is a deficient number, since it is larger than the sum of its proper divisors (226421).

12243524131 is an equidigital number, since it uses as much as digits as its factorization.

12243524131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226420.

The product of its digits is 5760, while the sum is 28.

The spelling of 12243524131 in words is "twelve billion, two hundred forty-three million, five hundred twenty-four thousand, one hundred thirty-one".