12131929880464 has 15 divisors (see below), whose sum is σ = 23505641137393. Its totient is φ = 6065957974048.

The previous prime is 12131929880419. The next prime is 12131929880503. The reversal of 12131929880464 is 46408892913121.

The square root of 12131929880464 is 3483092.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 340892499600 + 11791037380864 = 583860^2 + 3433808^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12131929880399 and 12131929880408.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 13496982 + ... + 14367754.

Almost surely, 2^{12131929880464} is an apocalyptic number.

12131929880464 is the 3483092-nd square number.

It is an amenable number.

12131929880464 is a deficient number, since it is larger than the sum of its proper divisors (11373711256929).

12131929880464 is an frugal number, since it uses more digits than its factorization.

12131929880464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1741554 (or 870775 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 58.

The spelling of 12131929880464 in words is "twelve trillion, one hundred thirty-one billion, nine hundred twenty-nine million, eight hundred eighty thousand, four hundred sixty-four".