12318362078401 has 32 divisors (see below), whose sum is σ = 13044467779200. Its totient is φ = 11619902407680.

The previous prime is 12318362078353. The next prime is 12318362078489. The reversal of 12318362078401 is 10487026381321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12318362078401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12318362018401) 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 31 ways as a sum of consecutive naturals, for example, 128245545 + ... + 128341561.

It is an arithmetic number, because the mean of its divisors is an integer number (407639618100).

Almost surely, 2^{12318362078401} is an apocalyptic number.

It is an amenable number.

12318362078401 is a deficient number, since it is larger than the sum of its proper divisors (726105700799).

12318362078401 is an equidigital number, since it uses as much as digits as its factorization.

12318362078401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97009.

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 12318362078401 in words is "twelve trillion, three hundred eighteen billion, three hundred sixty-two million, seventy-eight thousand, four hundred one".