12212585611769 has 2 divisors, whose sum is σ = 12212585611770. Its totient is φ = 12212585611768.

The previous prime is 12212585611757. The next prime is 12212585611771. The reversal of 12212585611769 is 96711658521221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11130230440000 + 1082355171769 = 3336200^2 + 1040363^2 .

It is a cyclic number.

It is not a de Polignac number, because 12212585611769 - 2²⁸ = 12212317176313 is a prime.

It is a super-2 number, since 2×12212585611769² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 12212585611771, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12212585611739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106292805884 + 6106292805885.

It is an arithmetic number, because the mean of its divisors is an integer number (6106292805885).

Almost surely, 2^{12212585611769} is an apocalyptic number.

It is an amenable number.

12212585611769 is a deficient number, since it is larger than the sum of its proper divisors (1).

12212585611769 is an equidigital number, since it uses as much as digits as its factorization.

12212585611769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3628800, while the sum is 56.

The spelling of 12212585611769 in words is "twelve trillion, two hundred twelve billion, five hundred eighty-five million, six hundred eleven thousand, seven hundred sixty-nine".