12220032109 has 2 divisors, whose sum is σ = 12220032110. Its totient is φ = 12220032108.

The previous prime is 12220032107. The next prime is 12220032131. The reversal of 12220032109 is 90123002221.

It is an a-pointer prime, because the next prime (12220032131) can be obtained adding 12220032109 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9930122500 + 2289909609 = 99650^2 + 47853^2 .

It is a cyclic number.

It is not a de Polignac number, because 12220032109 - 2¹ = 12220032107 is a prime.

Together with 12220032107, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12220032109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12220032107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110016054 + 6110016055.

It is an arithmetic number, because the mean of its divisors is an integer number (6110016055).

Almost surely, 2^12220032109 is an apocalyptic number.

It is an amenable number.

12220032109 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220032109 is an equidigital number, since it uses as much as digits as its factorization.

12220032109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The spelling of 12220032109 in words is "twelve billion, two hundred twenty million, thirty-two thousand, one hundred nine".