12666096089 has 2 divisors, whose sum is σ = 12666096090. Its totient is φ = 12666096088.

The previous prime is 12666096083. The next prime is 12666096133. The reversal of 12666096089 is 98069066621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10584911689 + 2081184400 = 102883^2 + 45620^2 .

It is a cyclic number.

It is not a de Polignac number, because 12666096089 - 2⁴ = 12666096073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12666096089.

It is not a weakly prime, because it can be changed into another prime (12666096083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6333048044 + 6333048045.

It is an arithmetic number, because the mean of its divisors is an integer number (6333048045).

Almost surely, 2^12666096089 is an apocalyptic number.

It is an amenable number.

12666096089 is a deficient number, since it is larger than the sum of its proper divisors (1).

12666096089 is an equidigital number, since it uses as much as digits as its factorization.

12666096089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1679616, while the sum is 53.

The spelling of 12666096089 in words is "twelve billion, six hundred sixty-six million, ninety-six thousand, eighty-nine".