12617254130550 has 48 divisors (see below), whose sum is σ = 31515903894720. Its totient is φ = 3340395332640.

The previous prime is 12617254130513. The next prime is 12617254130557. The reversal of 12617254130550 is 5503145271621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12617254130557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 302551192 + ... + 302592891.

It is an arithmetic number, because the mean of its divisors is an integer number (656581331140).

Almost surely, 2^{12617254130550} is an apocalyptic number.

12617254130550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12617254130550 is an abundant number, since it is smaller than the sum of its proper divisors (18898649764170).

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

12617254130550 is a wasteful number, since it uses less digits than its factorization.

12617254130550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605144237 (or 605144232 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 42.

The spelling of 12617254130550 in words is "twelve trillion, six hundred seventeen billion, two hundred fifty-four million, one hundred thirty thousand, five hundred fifty".