12555956682 has 12 divisors (see below), whose sum is σ = 27204572850. Its totient is φ = 4185318888.

The previous prime is 12555956671. The next prime is 12555956683. The reversal of 12555956682 is 28665955521.

It is a happy number.

12555956682 is a `hidden beast` number, since 1 + 2 + 5 + 559 + 5 + 6 + 6 + 82 = 666.

12555956682 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12546464121 + 9492561 = 112011^2 + 3081^2 .

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12555956683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 348776557 + ... + 348776592.

Almost surely, 2^12555956682 is an apocalyptic number.

12555956682 is an abundant number, since it is smaller than the sum of its proper divisors (14648616168).

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

12555956682 is a wasteful number, since it uses less digits than its factorization.

12555956682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697553157 (or 697553154 counting only the distinct ones).

The product of its digits is 6480000, while the sum is 54.

The spelling of 12555956682 in words is "twelve billion, five hundred fifty-five million, nine hundred fifty-six thousand, six hundred eighty-two".