12566260260 has 72 divisors (see below), whose sum is σ = 40359881016. Its totient is φ = 3153884160.

The previous prime is 12566260249. The next prime is 12566260297. The reversal of 12566260260 is 6206266521.

12566260260 is a `hidden beast` number, since 1 + 2 + 5 + 6 + 626 + 0 + 26 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5694513444 + 6871746816 = 75462^2 + 82896^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2050251 + ... + 2056370.

It is an arithmetic number, because the mean of its divisors is an integer number (560553903).

Almost surely, 2^12566260260 is an apocalyptic number.

12566260260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12566260260 is an abundant number, since it is smaller than the sum of its proper divisors (27793620756).

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

12566260260 is a wasteful number, since it uses less digits than its factorization.

12566260260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4106653 (or 4106648 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 12566260260 in words is "twelve billion, five hundred sixty-six million, two hundred sixty thousand, two hundred sixty".