12208185115 has 12 divisors (see below), whose sum is σ = 17041630176. Its totient is φ = 8371326768.

The previous prime is 12208185109. The next prime is 12208185139. The reversal of 12208185115 is 51158180221.

It is a happy number.

It is not a de Polignac number, because 12208185115 - 2⁷ = 12208184987 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24914419 + ... + 24914908.

It is an arithmetic number, because the mean of its divisors is an integer number (1420135848).

Almost surely, 2^12208185115 is an apocalyptic number.

12208185115 is a deficient number, since it is larger than the sum of its proper divisors (4833445061).

12208185115 is an equidigital number, since it uses as much as digits as its factorization.

12208185115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49829346 (or 49829339 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 34.

The spelling of 12208185115 in words is "twelve billion, two hundred eight million, one hundred eighty-five thousand, one hundred fifteen".