12655256600 has 48 divisors (see below), whose sum is σ = 33626828400. Its totient is φ = 4338944640.

The previous prime is 12655256597. The next prime is 12655256617. The reversal of 12655256600 is 665255621.

It is a happy number.

12655256600 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12655256600² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4518335 + ... + 4521134.

It is an arithmetic number, because the mean of its divisors is an integer number (700558925).

Almost surely, 2^12655256600 is an apocalyptic number.

12655256600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12655256600 is an abundant number, since it is smaller than the sum of its proper divisors (20971571800).

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

12655256600 is a wasteful number, since it uses less digits than its factorization.

12655256600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9039492 (or 9039483 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 12655256600 in words is "twelve billion, six hundred fifty-five million, two hundred fifty-six thousand, six hundred".