12660850567647 has 12 divisors (see below), whose sum is σ = 18287927235864. Its totient is φ = 8440552289040.

The previous prime is 12660850567583. The next prime is 12660850567661. The reversal of 12660850567647 is 74676505806621.

12660850567647 is a `hidden beast` number, since 1 + 2 + 6 + 6 + 0 + 8 + 5 + 0 + 567 + 64 + 7 = 666.

12660850567647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12660850567647 - 2⁶ = 12660850567583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12660850567747) 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, 7368997 + ... + 8923217.

It is an arithmetic number, because the mean of its divisors is an integer number (1523993936322).

Almost surely, 2^{12660850567647} is an apocalyptic number.

12660850567647 is a deficient number, since it is larger than the sum of its proper divisors (5627076668217).

12660850567647 is a wasteful number, since it uses less digits than its factorization.

12660850567647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2459350 (or 2459347 counting only the distinct ones).

The product of its (nonzero) digits is 101606400, while the sum is 63.

The spelling of 12660850567647 in words is "twelve trillion, six hundred sixty billion, eight hundred fifty million, five hundred sixty-seven thousand, six hundred forty-seven".