12845517658672 has 40 divisors (see below), whose sum is σ = 25146716078592. Its totient is φ = 6356294784000.

The previous prime is 12845517658667. The next prime is 12845517658681. The reversal of 12845517658672 is 27685671554821.

It is a junction number, because it is equal to n+sod(n) for n = 12845517658598 and 12845517658607.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7067479 + ... + 8697142.

Almost surely, 2^{12845517658672} is an apocalyptic number.

It is an amenable number.

12845517658672 is a deficient number, since it is larger than the sum of its proper divisors (12301198419920).

12845517658672 is a wasteful number, since it uses less digits than its factorization.

12845517658672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15765157 (or 15765151 counting only the distinct ones).

The product of its digits is 225792000, while the sum is 67.

The spelling of 12845517658672 in words is "twelve trillion, eight hundred forty-five billion, five hundred seventeen million, six hundred fifty-eight thousand, six hundred seventy-two".