12378359701793 has 4 divisors (see below), whose sum is σ = 12805199691540. Its totient is φ = 11951519712048.

The previous prime is 12378359701787. The next prime is 12378359701811. The reversal of 12378359701793 is 39710795387321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10036654852624 + 2341704849169 = 3168068^2 + 1530263^2 .

It is a cyclic number.

It is not a de Polignac number, because 12378359701793 - 2²⁰ = 12378358653217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12378359701783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213419994830 + ... + 213419994887.

It is an arithmetic number, because the mean of its divisors is an integer number (3201299922885).

Almost surely, 2^{12378359701793} is an apocalyptic number.

It is an amenable number.

12378359701793 is a deficient number, since it is larger than the sum of its proper divisors (426839989747).

12378359701793 is an equidigital number, since it uses as much as digits as its factorization.

12378359701793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426839989746.

The product of its (nonzero) digits is 60011280, while the sum is 65.

The spelling of 12378359701793 in words is "twelve trillion, three hundred seventy-eight billion, three hundred fifty-nine million, seven hundred one thousand, seven hundred ninety-three".