12485641800 has 48 divisors (see below), whose sum is σ = 38705491440. Its totient is φ = 3329504320.

The previous prime is 12485641757. The next prime is 12485641813. The reversal of 12485641800 is 814658421.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10404102 + ... + 10405301.

It is an arithmetic number, because the mean of its divisors is an integer number (806364405).

Almost surely, 2^12485641800 is an apocalyptic number.

12485641800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12485641800 is an abundant number, since it is smaller than the sum of its proper divisors (26219849640).

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

12485641800 is a wasteful number, since it uses less digits than its factorization.

12485641800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20809422 (or 20809413 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 39.

The spelling of 12485641800 in words is "twelve billion, four hundred eighty-five million, six hundred forty-one thousand, eight hundred".