12505260800 has 108 divisors (see below), whose sum is σ = 31038221760. Its totient is φ = 4988252160.

The previous prime is 12505260791. The next prime is 12505260821. The reversal of 12505260800 is 806250521.

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, 2487089 + ... + 2492111.

Almost surely, 2^12505260800 is an apocalyptic number.

12505260800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12505260800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15519110880).

12505260800 is an abundant number, since it is smaller than the sum of its proper divisors (18532960960).

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

12505260800 is an equidigital number, since it uses as much as digits as its factorization.

12505260800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5438 (or 5419 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The spelling of 12505260800 in words is "twelve billion, five hundred five million, two hundred sixty thousand, eight hundred".