12617487474848 has 48 divisors (see below), whose sum is σ = 25181891741160. Its totient is φ = 6222092783616.

The previous prime is 12617487474791. The next prime is 12617487474871. The reversal of 12617487474848 is 84847478471621.

It can be written as a sum of positive squares in 4 ways, for example, as 11627199777424 + 990287697424 = 3409868^2 + 995132^2 .

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, 75390236 + ... + 75557412.

Almost surely, 2^{12617487474848} is an apocalyptic number.

It is an amenable number.

12617487474848 is a deficient number, since it is larger than the sum of its proper divisors (12564404266312).

12617487474848 is a wasteful number, since it uses less digits than its factorization.

12617487474848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199569 (or 199561 counting only the distinct ones).

The product of its digits is 539492352, while the sum is 71.

The spelling of 12617487474848 in words is "twelve trillion, six hundred seventeen billion, four hundred eighty-seven million, four hundred seventy-four thousand, eight hundred forty-eight".