12202202111909 has 2 divisors, whose sum is σ = 12202202111910. Its totient is φ = 12202202111908.

The previous prime is 12202202111867. The next prime is 12202202111971. The reversal of 12202202111909 is 90911120220221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9625785477025 + 2576416634884 = 3102545^2 + 1605122^2 .

It is a cyclic number.

It is not a de Polignac number, because 12202202111909 - 2¹⁶ = 12202202046373 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 (12202202111009) 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, 6101101055954 + 6101101055955.

It is an arithmetic number, because the mean of its divisors is an integer number (6101101055955).

Almost surely, 2^{12202202111909} is an apocalyptic number.

It is an amenable number.

12202202111909 is a deficient number, since it is larger than the sum of its proper divisors (1).

12202202111909 is an equidigital number, since it uses as much as digits as its factorization.

12202202111909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 32.

The spelling of 12202202111909 in words is "twelve trillion, two hundred two billion, two hundred two million, one hundred eleven thousand, nine hundred nine".