12856118118 has 8 divisors (see below), whose sum is σ = 25712236248. Its totient is φ = 4285372704.

The previous prime is 12856118117. The next prime is 12856118147. The reversal of 12856118118 is 81181165821.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

12856118118 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 12856118118.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12856118117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1071343171 + ... + 1071343182.

It is an arithmetic number, because the mean of its divisors is an integer number (3214029531).

Almost surely, 2^12856118118 is an apocalyptic number.

12856118118 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12856118118 is a wasteful number, since it uses less digits than its factorization.

12856118118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142686358.

The product of its digits is 30720, while the sum is 42.

The spelling of 12856118118 in words is "twelve billion, eight hundred fifty-six million, one hundred eighteen thousand, one hundred eighteen".