12018707543719 has 2 divisors, whose sum is σ = 12018707543720. Its totient is φ = 12018707543718.

The previous prime is 12018707543639. The next prime is 12018707543729. The reversal of 12018707543719 is 91734570781021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12018707543719 - 2¹¹ = 12018707541671 is a prime.

It is a super-2 number, since 2×12018707543719² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12018707543719.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12018707543729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6009353771859 + 6009353771860.

It is an arithmetic number, because the mean of its divisors is an integer number (6009353771860).

Almost surely, 2^{12018707543719} is an apocalyptic number.

12018707543719 is a deficient number, since it is larger than the sum of its proper divisors (1).

12018707543719 is an equidigital number, since it uses as much as digits as its factorization.

12018707543719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2963520, while the sum is 55.

The spelling of 12018707543719 in words is "twelve trillion, eighteen billion, seven hundred seven million, five hundred forty-three thousand, seven hundred nineteen".