12500776197 has 32 divisors (see below), whose sum is σ = 22793442560. Its totient is φ = 6593814720.

The previous prime is 12500776187. The next prime is 12500776199. The reversal of 12500776197 is 79167700521.

12500776197 is a `hidden beast` number, since 1 + 25 + 0 + 0 + 7 + 7 + 619 + 7 = 666.

It is not a de Polignac number, because 12500776197 - 2⁴ = 12500776181 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12500776199) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2541454 + ... + 2546367.

It is an arithmetic number, because the mean of its divisors is an integer number (712295080).

Almost surely, 2^12500776197 is an apocalyptic number.

It is an amenable number.

12500776197 is a deficient number, since it is larger than the sum of its proper divisors (10292666363).

12500776197 is a wasteful number, since it uses less digits than its factorization.

12500776197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5087850 (or 5087844 counting only the distinct ones).

The product of its (nonzero) digits is 185220, while the sum is 45.

The spelling of 12500776197 in words is "twelve billion, five hundred million, seven hundred seventy-six thousand, one hundred ninety-seven".