12685000800 has 72 divisors (see below), whose sum is σ = 41289685416. Its totient is φ = 3382666240.

The previous prime is 12685000759. The next prime is 12685000807. The reversal of 12685000800 is 800058621.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12685000807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2640309 + ... + 2645108.

It is an arithmetic number, because the mean of its divisors is an integer number (573467853).

Almost surely, 2^12685000800 is an apocalyptic number.

12685000800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12685000800 is an abundant number, since it is smaller than the sum of its proper divisors (28604684616).

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

12685000800 is a wasteful number, since it uses less digits than its factorization.

12685000800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5285440 (or 5285427 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The spelling of 12685000800 in words is "twelve billion, six hundred eighty-five million, eight hundred", and thus it is an aban number.