12119985637 has 2 divisors, whose sum is σ = 12119985638. Its totient is φ = 12119985636.

The previous prime is 12119985571. The next prime is 12119985737. The reversal of 12119985637 is 73658991121.

12119985637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10256423076 + 1863562561 = 101274^2 + 43169^2 .

It is a cyclic number.

It is not a de Polignac number, because 12119985637 - 2⁷ = 12119985509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12119985037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6059992818 + 6059992819.

It is an arithmetic number, because the mean of its divisors is an integer number (6059992819).

Almost surely, 2^12119985637 is an apocalyptic number.

It is an amenable number.

12119985637 is a deficient number, since it is larger than the sum of its proper divisors (1).

12119985637 is an equidigital number, since it uses as much as digits as its factorization.

12119985637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 52.

The spelling of 12119985637 in words is "twelve billion, one hundred nineteen million, nine hundred eighty-five thousand, six hundred thirty-seven".