12210120211309 has 2 divisors, whose sum is σ = 12210120211310. Its totient is φ = 12210120211308.

The previous prime is 12210120211129. The next prime is 12210120211327. The reversal of 12210120211309 is 90311202101221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9205368381225 + 3004751830084 = 3034035^2 + 1733422^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12210120211309 is a prime.

It is a super-2 number, since 2×12210120211309² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12210120211349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105060105654 + 6105060105655.

It is an arithmetic number, because the mean of its divisors is an integer number (6105060105655).

Almost surely, 2^{12210120211309} is an apocalyptic number.

It is an amenable number.

12210120211309 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210120211309 is an equidigital number, since it uses as much as digits as its factorization.

12210120211309 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 25.

The spelling of 12210120211309 in words is "twelve trillion, two hundred ten billion, one hundred twenty million, two hundred eleven thousand, three hundred nine".