12617517050 has 48 divisors (see below), whose sum is σ = 23911094592. Its totient is φ = 4952428800.

The previous prime is 12617517013. The next prime is 12617517089. The reversal of 12617517050 is 5071571621.

It is a self number, because there is not a number n which added to its sum of digits gives 12617517050.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 873890 + ... + 888210.

It is an arithmetic number, because the mean of its divisors is an integer number (498147804).

Almost surely, 2^12617517050 is an apocalyptic number.

12617517050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12617517050 is a deficient number, since it is larger than the sum of its proper divisors (11293577542).

12617517050 is a wasteful number, since it uses less digits than its factorization.

12617517050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14663 (or 14658 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 35.

The spelling of 12617517050 in words is "twelve billion, six hundred seventeen million, five hundred seventeen thousand, fifty".