12685536575250 has 384 divisors, whose sum is σ = 41868600883200. Its totient is φ = 2497218768000.

The previous prime is 12685536575177. The next prime is 12685536575251. The reversal of 12685536575250 is 5257563558621.

It is not an unprimeable number, because it can be changed into a prime (12685536575251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 11544241 + ... + 12595259.

It is an arithmetic number, because the mean of its divisors is an integer number (109032814800).

Almost surely, 2^{12685536575250} is an apocalyptic number.

12685536575250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12685536575250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20934300441600).

12685536575250 is an abundant number, since it is smaller than the sum of its proper divisors (29183064307950).

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

12685536575250 is a wasteful number, since it uses less digits than its factorization.

12685536575250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051087 (or 1051066 counting only the distinct ones).

The product of its (nonzero) digits is 75600000, while the sum is 60.

The spelling of 12685536575250 in words is "twelve trillion, six hundred eighty-five billion, five hundred thirty-six million, five hundred seventy-five thousand, two hundred fifty".