12455688900 has 36 divisors (see below), whose sum is σ = 36038460752. Its totient is φ = 3321516960.

The previous prime is 12455688899. The next prime is 12455688901. The reversal of 12455688900 is 988655421.

It is an interprime number because it is at equal distance from previous prime (12455688899) and next prime (12455688901).

It is a self number, because there is not a number n which added to its sum of digits gives 12455688900.

It is not an unprimeable number, because it can be changed into a prime (12455688901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20759182 + ... + 20759781.

Almost surely, 2^12455688900 is an apocalyptic number.

12455688900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12455688900 is an abundant number, since it is smaller than the sum of its proper divisors (23582771852).

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

12455688900 is a wasteful number, since it uses less digits than its factorization.

12455688900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41518980 (or 41518973 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 48.

The spelling of 12455688900 in words is "twelve billion, four hundred fifty-five million, six hundred eighty-eight thousand, nine hundred".