12548517872 has 20 divisors (see below), whose sum is σ = 26523004056. Its totient is φ = 5703871680.

The previous prime is 12548517841. The next prime is 12548517881. The reversal of 12548517872 is 27871584521.

It is a happy number.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 12548517872.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35649023 + ... + 35649374.

Almost surely, 2^12548517872 is an apocalyptic number.

It is an amenable number.

12548517872 is an abundant number, since it is smaller than the sum of its proper divisors (13974486184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12548517872 is a wasteful number, since it uses less digits than its factorization.

12548517872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71298416 (or 71298410 counting only the distinct ones).

The product of its digits is 1254400, while the sum is 50.

The spelling of 12548517872 in words is "twelve billion, five hundred forty-eight million, five hundred seventeen thousand, eight hundred seventy-two".