12642718845087 has 12 divisors (see below), whose sum is σ = 18261745942024. Its totient is φ = 8428460333040.

The previous prime is 12642718845083. The next prime is 12642718845131. The reversal of 12642718845087 is 78054881724621.

12642718845087 is a `hidden beast` number, since 1 + 2 + 6 + 4 + 27 + 1 + 88 + 450 + 87 = 666.

It is not a de Polignac number, because 12642718845087 - 2² = 12642718845083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12642718845083) 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, 3535137 + ... + 6146757.

Almost surely, 2^{12642718845087} is an apocalyptic number.

12642718845087 is a deficient number, since it is larger than the sum of its proper divisors (5619027096937).

12642718845087 is a wasteful number, since it uses less digits than its factorization.

12642718845087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3149510 (or 3149507 counting only the distinct ones).

The product of its (nonzero) digits is 48168960, while the sum is 63.

The spelling of 12642718845087 in words is "twelve trillion, six hundred forty-two billion, seven hundred eighteen million, eight hundred forty-five thousand, eighty-seven".