12174656078401 has 16 divisors (see below), whose sum is σ = 12473585536896. Its totient is φ = 11876454285696.

The previous prime is 12174656078309. The next prime is 12174656078437. The reversal of 12174656078401 is 10487065647121.

It is a cyclic number.

It is not a de Polignac number, because 12174656078401 - 2⁹ = 12174656077889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12174656058401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109811271 + ... + 109922083.

It is an arithmetic number, because the mean of its divisors is an integer number (779599096056).

Almost surely, 2^{12174656078401} is an apocalyptic number.

It is an amenable number.

12174656078401 is a deficient number, since it is larger than the sum of its proper divisors (298929458495).

12174656078401 is a wasteful number, since it uses less digits than its factorization.

12174656078401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114072.

The product of its (nonzero) digits is 2257920, while the sum is 52.

The spelling of 12174656078401 in words is "twelve trillion, one hundred seventy-four billion, six hundred fifty-six million, seventy-eight thousand, four hundred one".