12131004044 has 6 divisors (see below), whose sum is σ = 21229257084. Its totient is φ = 6065502020.

The previous prime is 12131004037. The next prime is 12131004071. The reversal of 12131004044 is 44040013121.

It is a super-2 number, since 2×12131004044² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1516375502 + ... + 1516375509.

It is an arithmetic number, because the mean of its divisors is an integer number (3538209514).

Almost surely, 2^12131004044 is an apocalyptic number.

It is an amenable number.

12131004044 is a deficient number, since it is larger than the sum of its proper divisors (9098253040).

12131004044 is a wasteful number, since it uses less digits than its factorization.

12131004044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3032751015 (or 3032751013 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12131004044 its reverse (44040013121), we get a palindrome (56171017165).

The spelling of 12131004044 in words is "twelve billion, one hundred thirty-one million, four thousand, forty-four".