120212220222209 has 2 divisors, whose sum is σ = 120212220222210. Its totient is φ = 120212220222208.

The previous prime is 120212220222203. The next prime is 120212220222271. The reversal of 120212220222209 is 902222022212021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65161058617600 + 55051161604609 = 8072240^2 + 7419647^2 .

It is a cyclic number.

It is not a de Polignac number, because 120212220222209 - 2⁸ = 120212220221953 is a prime.

It is not a weakly prime, because it can be changed into another prime (120212220222203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60106110111104 + 60106110111105.

It is an arithmetic number, because the mean of its divisors is an integer number (60106110111105).

Almost surely, 2^{120212220222209} is an apocalyptic number.

It is an amenable number.

120212220222209 is a deficient number, since it is larger than the sum of its proper divisors (1).

120212220222209 is an equidigital number, since it uses as much as digits as its factorization.

120212220222209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 120212220222209 in words is "one hundred twenty trillion, two hundred twelve billion, two hundred twenty million, two hundred twenty-two thousand, two hundred nine".