12500805792 has 96 divisors (see below), whose sum is σ = 34128864000. Its totient is φ = 4002905088.

The previous prime is 12500805781. The next prime is 12500805883. The reversal of 12500805792 is 29750800521.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 12500805792.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258334 + ... + 302882.

It is an arithmetic number, because the mean of its divisors is an integer number (355509000).

Almost surely, 2^12500805792 is an apocalyptic number.

12500805792 is a gapful number since it is divisible by the number (12) 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 12500805792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17064432000).

12500805792 is an abundant number, since it is smaller than the sum of its proper divisors (21628058208).

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

12500805792 is a wasteful number, since it uses less digits than its factorization.

12500805792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44678 (or 44670 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 39.

The spelling of 12500805792 in words is "twelve billion, five hundred million, eight hundred five thousand, seven hundred ninety-two".