12126509488260 has 36 divisors (see below), whose sum is σ = 36783745448268. Its totient is φ = 3233735863488.

The previous prime is 12126509488259. The next prime is 12126509488297. The reversal of 12126509488260 is 6288490562121.

12126509488260 is a `hidden beast` number, since 1 + 2 + 12 + 6 + 509 + 48 + 82 + 6 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9638640507456 + 2487868980804 = 3104616^2 + 1577298^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 12126509488197 and 12126509488206.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33684748399 + ... + 33684748758.

Almost surely, 2^{12126509488260} is an apocalyptic number.

12126509488260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12126509488260 is an abundant number, since it is smaller than the sum of its proper divisors (24657235960008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12126509488260 is a wasteful number, since it uses less digits than its factorization.

12126509488260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67369497172 (or 67369497167 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 12126509488260 in words is "twelve trillion, one hundred twenty-six billion, five hundred nine million, four hundred eighty-eight thousand, two hundred sixty".