12211209696923 has 2 divisors, whose sum is σ = 12211209696924. Its totient is φ = 12211209696922.

The previous prime is 12211209696893. The next prime is 12211209696967. The reversal of 12211209696923 is 32969690211221.

It is a weak prime.

It is an emirp because it is prime and its reverse (32969690211221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12211209696923 - 2¹⁰ = 12211209695899 is a prime.

It is a super-2 number, since 2×12211209696923² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12211209698923) 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, 6105604848461 + 6105604848462.

It is an arithmetic number, because the mean of its divisors is an integer number (6105604848462).

Almost surely, 2^{12211209696923} is an apocalyptic number.

12211209696923 is a deficient number, since it is larger than the sum of its proper divisors (1).

12211209696923 is an equidigital number, since it uses as much as digits as its factorization.

12211209696923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1259712, while the sum is 53.

The spelling of 12211209696923 in words is "twelve trillion, two hundred eleven billion, two hundred nine million, six hundred ninety-six thousand, nine hundred twenty-three".