12365205002209 has 2 divisors, whose sum is σ = 12365205002210. Its totient is φ = 12365205002208.

The previous prime is 12365205002201. The next prime is 12365205002221. The reversal of 12365205002209 is 90220050256321.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6858218192400 + 5506986809809 = 2618820^2 + 2346697^2 .

It is a cyclic number.

It is not a de Polignac number, because 12365205002209 - 2³ = 12365205002201 is a prime.

It is not a weakly prime, because it can be changed into another prime (12365205002201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6182602501104 + 6182602501105.

It is an arithmetic number, because the mean of its divisors is an integer number (6182602501105).

Almost surely, 2^{12365205002209} is an apocalyptic number.

It is an amenable number.

12365205002209 is a deficient number, since it is larger than the sum of its proper divisors (1).

12365205002209 is an equidigital number, since it uses as much as digits as its factorization.

12365205002209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 12365205002209 in words is "twelve trillion, three hundred sixty-five billion, two hundred five million, two thousand, two hundred nine".