12222320009 has 2 divisors, whose sum is σ = 12222320010. Its totient is φ = 12222320008.

The previous prime is 12222319999. The next prime is 12222320069. The reversal of 12222320009 is 90002322221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12180433225 + 41886784 = 110365^2 + 6472^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12222320009 is a prime.

It is not a weakly prime, because it can be changed into another prime (12222320069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111160004 + 6111160005.

It is an arithmetic number, because the mean of its divisors is an integer number (6111160005).

Almost surely, 2^12222320009 is an apocalyptic number.

It is an amenable number.

12222320009 is a deficient number, since it is larger than the sum of its proper divisors (1).

12222320009 is an equidigital number, since it uses as much as digits as its factorization.

12222320009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The spelling of 12222320009 in words is "twelve billion, two hundred twenty-two million, three hundred twenty thousand, nine".