12680018178 has 64 divisors (see below), whose sum is σ = 26783032320. Its totient is φ = 3997423872.

The previous prime is 12680018147. The next prime is 12680018209. The reversal of 12680018178 is 87181008621.

12680018178 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12680018147) and next prime (12680018209).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1277551 + ... + 1287437.

It is an arithmetic number, because the mean of its divisors is an integer number (418484880).

Almost surely, 2^12680018178 is an apocalyptic number.

12680018178 is an abundant number, since it is smaller than the sum of its proper divisors (14103014142).

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

12680018178 is a wasteful number, since it uses less digits than its factorization.

12680018178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10091.

The product of its (nonzero) digits is 43008, while the sum is 42.

The spelling of 12680018178 in words is "twelve billion, six hundred eighty million, eighteen thousand, one hundred seventy-eight".