12188568787573 has 2 divisors, whose sum is σ = 12188568787574. Its totient is φ = 12188568787572.

The previous prime is 12188568787541. The next prime is 12188568787589. The reversal of 12188568787573 is 37578786588121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6732691236049 + 5455877551524 = 2594743^2 + 2335782^2 .

It is a cyclic number.

It is not a de Polignac number, because 12188568787573 - 2⁵ = 12188568787541 is a prime.

It is a super-2 number, since 2×12188568787573² (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 12188568787573.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12188568787973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6094284393786 + 6094284393787.

It is an arithmetic number, because the mean of its divisors is an integer number (6094284393787).

Almost surely, 2^{12188568787573} is an apocalyptic number.

It is an amenable number.

12188568787573 is a deficient number, since it is larger than the sum of its proper divisors (1).

12188568787573 is an equidigital number, since it uses as much as digits as its factorization.

12188568787573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1264435200, while the sum is 76.

The spelling of 12188568787573 in words is "twelve trillion, one hundred eighty-eight billion, five hundred sixty-eight million, seven hundred eighty-seven thousand, five hundred seventy-three".