12022209109 has 2 divisors, whose sum is σ = 12022209110. Its totient is φ = 12022209108.

The previous prime is 12022209097. The next prime is 12022209113. The reversal of 12022209109 is 90190222021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11530034884 + 492174225 = 107378^2 + 22185^2 .

It is a cyclic number.

It is not a de Polignac number, because 12022209109 - 2⁵ = 12022209077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12022209139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6011104554 + 6011104555.

It is an arithmetic number, because the mean of its divisors is an integer number (6011104555).

Almost surely, 2^12022209109 is an apocalyptic number.

It is an amenable number.

12022209109 is a deficient number, since it is larger than the sum of its proper divisors (1).

12022209109 is an equidigital number, since it uses as much as digits as its factorization.

12022209109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 12022209109 in words is "twelve billion, twenty-two million, two hundred nine thousand, one hundred nine".