12941585556 has 12 divisors (see below), whose sum is σ = 30197032992. Its totient is φ = 4313861848.

The previous prime is 12941585533. The next prime is 12941585557. The reversal of 12941585556 is 65558514921.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 12941585499 and 12941585508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12941585557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 539232720 + ... + 539232743.

It is an arithmetic number, because the mean of its divisors is an integer number (2516419416).

Almost surely, 2^12941585556 is an apocalyptic number.

It is an amenable number.

12941585556 is an abundant number, since it is smaller than the sum of its proper divisors (17255447436).

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

12941585556 is a wasteful number, since it uses less digits than its factorization.

12941585556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078465470 (or 1078465468 counting only the distinct ones).

The product of its digits is 2160000, while the sum is 51.

The spelling of 12941585556 in words is "twelve billion, nine hundred forty-one million, five hundred eighty-five thousand, five hundred fifty-six".