12115660208 has 10 divisors (see below), whose sum is σ = 23474091684. Its totient is φ = 6057830096.

The previous prime is 12115660199. The next prime is 12115660211. The reversal of 12115660208 is 80206651121.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 378614366 + ... + 378614397.

Almost surely, 2^12115660208 is an apocalyptic number.

It is an amenable number.

12115660208 is a deficient number, since it is larger than the sum of its proper divisors (11358431476).

12115660208 is an equidigital number, since it uses as much as digits as its factorization.

12115660208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757228771 (or 757228765 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The spelling of 12115660208 in words is "twelve billion, one hundred fifteen million, six hundred sixty thousand, two hundred eight".