12220222000309 has 2 divisors, whose sum is σ = 12220222000310. Its totient is φ = 12220222000308.

The previous prime is 12220222000307. The next prime is 12220222000339. The reversal of 12220222000309 is 90300022202221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6493399686225 + 5726822314084 = 2548215^2 + 2393078^2 .

It is a cyclic number.

It is not a de Polignac number, because 12220222000309 - 2¹ = 12220222000307 is a prime.

Together with 12220222000307, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12220222000303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110111000154 + 6110111000155.

It is an arithmetic number, because the mean of its divisors is an integer number (6110111000155).

Almost surely, 2^{12220222000309} is an apocalyptic number.

It is an amenable number.

12220222000309 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220222000309 is an equidigital number, since it uses as much as digits as its factorization.

12220222000309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The spelling of 12220222000309 in words is "twelve trillion, two hundred twenty billion, two hundred twenty-two million, three hundred nine", and thus it is an aban number.