12718780455750 has 64 divisors (see below), whose sum is σ = 31770001695744. Its totient is φ = 3389118626400.

The previous prime is 12718780455721. The next prime is 12718780455751. The reversal of 12718780455750 is 5755408781721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12718780455751) 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, 5394492 + ... + 7384991.

It is an arithmetic number, because the mean of its divisors is an integer number (496406276496).

Almost surely, 2^{12718780455750} is an apocalyptic number.

12718780455750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12718780455750 is an abundant number, since it is smaller than the sum of its proper divisors (19051221239994).

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

12718780455750 is a wasteful number, since it uses less digits than its factorization.

12718780455750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12780830 (or 12780820 counting only the distinct ones).

The product of its (nonzero) digits is 21952000, while the sum is 60.

The spelling of 12718780455750 in words is "twelve trillion, seven hundred eighteen billion, seven hundred eighty million, four hundred fifty-five thousand, seven hundred fifty".