12202111122209 has 2 divisors, whose sum is σ = 12202111122210. Its totient is φ = 12202111122208.

The previous prime is 12202111122193. The next prime is 12202111122251. The reversal of 12202111122209 is 90222111120221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12053291086225 + 148820035984 = 3471785^2 + 385772^2 .

It is an emirp because it is prime and its reverse (90222111120221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12202111122209 - 2⁴ = 12202111122193 is a prime.

It is not a weakly prime, because it can be changed into another prime (12202111122269) 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, 6101055561104 + 6101055561105.

It is an arithmetic number, because the mean of its divisors is an integer number (6101055561105).

Almost surely, 2^{12202111122209} is an apocalyptic number.

It is an amenable number.

12202111122209 is a deficient number, since it is larger than the sum of its proper divisors (1).

12202111122209 is an equidigital number, since it uses as much as digits as its factorization.

12202111122209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 12202111122209 in words is "twelve trillion, two hundred two billion, one hundred eleven million, one hundred twenty-two thousand, two hundred nine".