12210120210109 has 2 divisors, whose sum is σ = 12210120210110. Its totient is φ = 12210120210108.

The previous prime is 12210120210103. The next prime is 12210120210133. The reversal of 12210120210109 is 90101202101221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12162760875225 + 47359334884 = 3487515^2 + 217622^2 .

It is a cyclic number.

It is not a de Polignac number, because 12210120210109 - 2¹⁹ = 12210119685821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12210120210109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12210120210103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105060105054 + 6105060105055.

It is an arithmetic number, because the mean of its divisors is an integer number (6105060105055).

Almost surely, 2^{12210120210109} is an apocalyptic number.

It is an amenable number.

12210120210109 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210120210109 is an equidigital number, since it uses as much as digits as its factorization.

12210120210109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 12210120210109 in words is "twelve trillion, two hundred ten billion, one hundred twenty million, two hundred ten thousand, one hundred nine".