12131130526 has 16 divisors (see below), whose sum is σ = 19294238160. Its totient is φ = 5704378560.

The previous prime is 12131130509. The next prime is 12131130527. The reversal of 12131130526 is 62503113121.

It is a happy number.

12131130526 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12131130526.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131130527) 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 7 ways as a sum of consecutive naturals, for example, 1159905 + ... + 1170316.

It is an arithmetic number, because the mean of its divisors is an integer number (1205889885).

Almost surely, 2^12131130526 is an apocalyptic number.

12131130526 is a deficient number, since it is larger than the sum of its proper divisors (7163107634).

12131130526 is a wasteful number, since it uses less digits than its factorization.

12131130526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2330379.

The product of its (nonzero) digits is 1080, while the sum is 25.

Adding to 12131130526 its reverse (62503113121), we get a palindrome (74634243647).

The spelling of 12131130526 in words is "twelve billion, one hundred thirty-one million, one hundred thirty thousand, five hundred twenty-six".