12265725187 has 2 divisors, whose sum is σ = 12265725188. Its totient is φ = 12265725186.

The previous prime is 12265725167. The next prime is 12265725211. The reversal of 12265725187 is 78152756221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12265725187 is a prime.

It is not a weakly prime, because it can be changed into another prime (12265725127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6132862593 + 6132862594.

It is an arithmetic number, because the mean of its divisors is an integer number (6132862594).

Almost surely, 2^12265725187 is an apocalyptic number.

12265725187 is a deficient number, since it is larger than the sum of its proper divisors (1).

12265725187 is an equidigital number, since it uses as much as digits as its factorization.

12265725187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 470400, while the sum is 46.

The spelling of 12265725187 in words is "twelve billion, two hundred sixty-five million, seven hundred twenty-five thousand, one hundred eighty-seven".