12388387451178 has 16 divisors (see below), whose sum is σ = 24776911087200. Its totient is φ = 4129439786256.

The previous prime is 12388387451107. The next prime is 12388387451179. The reversal of 12388387451178 is 87115478388321.

12388387451178 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12388387451179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4472200 + ... + 6691587.

It is an arithmetic number, because the mean of its divisors is an integer number (1548556942950).

Almost surely, 2^{12388387451178} is an apocalyptic number.

12388387451178 is an abundant number, since it is smaller than the sum of its proper divisors (12388523636022).

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

12388387451178 is a wasteful number, since it uses less digits than its factorization.

12388387451178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11348741.

The product of its digits is 72253440, while the sum is 66.

The spelling of 12388387451178 in words is "twelve trillion, three hundred eighty-eight billion, three hundred eighty-seven million, four hundred fifty-one thousand, one hundred seventy-eight".