12718587842481 has 16 divisors (see below), whose sum is σ = 16976559513600. Its totient is φ = 8469842247888.

The previous prime is 12718587842447. The next prime is 12718587842491. The reversal of 12718587842481 is 18424878581721.

12718587842481 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 12718587842481 - 2²⁶ = 12718520733617 is a prime.

It is a super-2 number, since 2×12718587842481² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12718587842491) 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, 9846280 + ... + 11062838.

It is an arithmetic number, because the mean of its divisors is an integer number (1061034969600).

Almost surely, 2^{12718587842481} is an apocalyptic number.

It is an amenable number.

12718587842481 is a deficient number, since it is larger than the sum of its proper divisors (4257971671119).

12718587842481 is a wasteful number, since it uses less digits than its factorization.

12718587842481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220348.

The product of its digits is 64225280, while the sum is 66.

The spelling of 12718587842481 in words is "twelve trillion, seven hundred eighteen billion, five hundred eighty-seven million, eight hundred forty-two thousand, four hundred eighty-one".