12131130044 has 12 divisors (see below), whose sum is σ = 23159430168. Its totient is φ = 5514150000.

The previous prime is 12131130031. The next prime is 12131130131. The reversal of 12131130044 is 44003113121.

12131130044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12131130044² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12131129998 and 12131130025.

It is a congruent number.

It is an unprimeable number.

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, 137853707 + ... + 137853794.

It is an arithmetic number, because the mean of its divisors is an integer number (1929952514).

Almost surely, 2^12131130044 is an apocalyptic number.

It is an amenable number.

12131130044 is a deficient number, since it is larger than the sum of its proper divisors (11028300124).

12131130044 is a wasteful number, since it uses less digits than its factorization.

12131130044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275707516 (or 275707514 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12131130044 its reverse (44003113121), we get a palindrome (56134243165).

The spelling of 12131130044 in words is "twelve billion, one hundred thirty-one million, one hundred thirty thousand, forty-four".