12500000801 has 12 divisors (see below), whose sum is σ = 13200424704. Its totient is φ = 11835012600.

The previous prime is 12500000753. The next prime is 12500000879. The reversal of 12500000801 is 10800000521.

It is a de Polignac number, because none of the positive numbers 2^k-12500000801 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12500000801.

It is not an unprimeable number, because it can be changed into a prime (12500000881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 651536 + ... + 670446.

It is an arithmetic number, because the mean of its divisors is an integer number (1100035392).

Almost surely, 2^12500000801 is an apocalyptic number.

It is an amenable number.

12500000801 is a deficient number, since it is larger than the sum of its proper divisors (700423903).

12500000801 is a wasteful number, since it uses less digits than its factorization.

12500000801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20780 (or 20761 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

The spelling of 12500000801 in words is "twelve billion, five hundred million, eight hundred one", and thus it is an aban number.