12308200418309 has 2 divisors, whose sum is σ = 12308200418310. Its totient is φ = 12308200418308.

The previous prime is 12308200418251. The next prime is 12308200418377. The reversal of 12308200418309 is 90381400280321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11311753257025 + 996447161284 = 3363295^2 + 998222^2 .

It is a cyclic number.

It is not a de Polignac number, because 12308200418309 - 2²⁰ = 12308199369733 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12308200418809) 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, 6154100209154 + 6154100209155.

It is an arithmetic number, because the mean of its divisors is an integer number (6154100209155).

Almost surely, 2^{12308200418309} is an apocalyptic number.

It is an amenable number.

12308200418309 is a deficient number, since it is larger than the sum of its proper divisors (1).

12308200418309 is an equidigital number, since it uses as much as digits as its factorization.

12308200418309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 12308200418309 in words is "twelve trillion, three hundred eight billion, two hundred million, four hundred eighteen thousand, three hundred nine".