12651795187 has 2 divisors, whose sum is σ = 12651795188. Its totient is φ = 12651795186.

The previous prime is 12651795119. The next prime is 12651795197. The reversal of 12651795187 is 78159715621.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12651795187 is a prime.

It is not a weakly prime, because it can be changed into another prime (12651795197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6325897593 + 6325897594.

It is an arithmetic number, because the mean of its divisors is an integer number (6325897594).

Almost surely, 2^12651795187 is an apocalyptic number.

12651795187 is a deficient number, since it is larger than the sum of its proper divisors (1).

12651795187 is an equidigital number, since it uses as much as digits as its factorization.

12651795187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1058400, while the sum is 52.

The spelling of 12651795187 in words is "twelve billion, six hundred fifty-one million, seven hundred ninety-five thousand, one hundred eighty-seven".