12220132609 has 2 divisors, whose sum is σ = 12220132610. Its totient is φ = 12220132608.

The previous prime is 12220132583. The next prime is 12220132711. The reversal of 12220132609 is 90623102221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7136870400 + 5083262209 = 84480^2 + 71297^2 .

It is a cyclic number.

It is not a de Polignac number, because 12220132609 - 2¹¹ = 12220130561 is a prime.

It is not a weakly prime, because it can be changed into another prime (12220132109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110066304 + 6110066305.

It is an arithmetic number, because the mean of its divisors is an integer number (6110066305).

Almost surely, 2^12220132609 is an apocalyptic number.

It is an amenable number.

12220132609 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220132609 is an equidigital number, since it uses as much as digits as its factorization.

12220132609 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 28.

The spelling of 12220132609 in words is "twelve billion, two hundred twenty million, one hundred thirty-two thousand, six hundred nine".