12718785665027 has 8 divisors (see below), whose sum is σ = 13697186348160. Its totient is φ = 11740389632640.

The previous prime is 12718785665011. The next prime is 12718785665057. The reversal of 12718785665027 is 72056658781721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12718785665027 - 2⁴ = 12718785665011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12718785665057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6283502 + ... + 8057292.

It is an arithmetic number, because the mean of its divisors is an integer number (1712148293520).

Almost surely, 2^{12718785665027} is an apocalyptic number.

12718785665027 is a deficient number, since it is larger than the sum of its proper divisors (978400683133).

12718785665027 is a wasteful number, since it uses less digits than its factorization.

12718785665027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2325373.

The product of its (nonzero) digits is 79027200, while the sum is 65.

The spelling of 12718785665027 in words is "twelve trillion, seven hundred eighteen billion, seven hundred eighty-five million, six hundred sixty-five thousand, twenty-seven".