12223230209 has 2 divisors, whose sum is σ = 12223230210. Its totient is φ = 12223230208.

The previous prime is 12223230143. The next prime is 12223230287. The reversal of 12223230209 is 90203232221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6146560000 + 6076670209 = 78400^2 + 77953^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12223230209 is a prime.

It is not a weakly prime, because it can be changed into another prime (12223230289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111615104 + 6111615105.

It is an arithmetic number, because the mean of its divisors is an integer number (6111615105).

Almost surely, 2^12223230209 is an apocalyptic number.

It is an amenable number.

12223230209 is a deficient number, since it is larger than the sum of its proper divisors (1).

12223230209 is an equidigital number, since it uses as much as digits as its factorization.

12223230209 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 26.

The spelling of 12223230209 in words is "twelve billion, two hundred twenty-three million, two hundred thirty thousand, two hundred nine".