12223242209 has 2 divisors, whose sum is σ = 12223242210. Its totient is φ = 12223242208.

The previous prime is 12223242197. The next prime is 12223242299. The reversal of 12223242209 is 90224232221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8847283600 + 3375958609 = 94060^2 + 58103^2 .

It is an emirp because it is prime and its reverse (90224232221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12223242209 - 2⁴ = 12223242193 is a prime.

It is not a weakly prime, because it can be changed into another prime (12223242299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111621104 + 6111621105.

It is an arithmetic number, because the mean of its divisors is an integer number (6111621105).

Almost surely, 2^12223242209 is an apocalyptic number.

It is an amenable number.

12223242209 is a deficient number, since it is larger than the sum of its proper divisors (1).

12223242209 is an equidigital number, since it uses as much as digits as its factorization.

12223242209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 12223242209 in words is "twelve billion, two hundred twenty-three million, two hundred forty-two thousand, two hundred nine".