12738420573177 has 16 divisors (see below), whose sum is σ = 18291140829248. Its totient is φ = 7838995734720.

The previous prime is 12738420573169. The next prime is 12738420573187. The reversal of 12738420573177 is 77137502483721.

It is a happy number.

12738420573177 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12738420573177 - 2³ = 12738420573169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12738420573187) 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, 11867763 + ... + 12896535.

It is an arithmetic number, because the mean of its divisors is an integer number (1143196301828).

Almost surely, 2^{12738420573177} is an apocalyptic number.

It is an amenable number.

12738420573177 is a deficient number, since it is larger than the sum of its proper divisors (5552720256071).

12738420573177 is a wasteful number, since it uses less digits than its factorization.

12738420573177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346280.

The product of its (nonzero) digits is 13829760, while the sum is 57.

The spelling of 12738420573177 in words is "twelve trillion, seven hundred thirty-eight billion, four hundred twenty million, five hundred seventy-three thousand, one hundred seventy-seven".