12127009774097 has 2 divisors, whose sum is σ = 12127009774098. Its totient is φ = 12127009774096.

The previous prime is 12127009774079. The next prime is 12127009774109. The reversal of 12127009774097 is 79047790072121.

Together with previous prime (12127009774079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11196525746641 + 930484027456 = 3346121^2 + 964616^2 .

It is a cyclic number.

It is not a de Polignac number, because 12127009774097 - 2¹⁴ = 12127009757713 is a prime.

It is a super-2 number, since 2×12127009774097² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12127009774067) 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, 6063504887048 + 6063504887049.

It is an arithmetic number, because the mean of its divisors is an integer number (6063504887049).

Almost surely, 2^{12127009774097} is an apocalyptic number.

It is an amenable number.

12127009774097 is a deficient number, since it is larger than the sum of its proper divisors (1).

12127009774097 is an equidigital number, since it uses as much as digits as its factorization.

12127009774097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3111696, while the sum is 56.

The spelling of 12127009774097 in words is "twelve trillion, one hundred twenty-seven billion, nine million, seven hundred seventy-four thousand, ninety-seven".