12123020310211 has 2 divisors, whose sum is σ = 12123020310212. Its totient is φ = 12123020310210.

The previous prime is 12123020310173. The next prime is 12123020310217. The reversal of 12123020310211 is 11201302032121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12123020310211 - 2²⁹ = 12122483439299 is a prime.

It is not a weakly prime, because it can be changed into another prime (12123020310217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061510155105 + 6061510155106.

It is an arithmetic number, because the mean of its divisors is an integer number (6061510155106).

Almost surely, 2^{12123020310211} is an apocalyptic number.

12123020310211 is a deficient number, since it is larger than the sum of its proper divisors (1).

12123020310211 is an equidigital number, since it uses as much as digits as its factorization.

12123020310211 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 19.

Adding to 12123020310211 its reverse (11201302032121), we get a palindrome (23324322342332).

The spelling of 12123020310211 in words is "twelve trillion, one hundred twenty-three billion, twenty million, three hundred ten thousand, two hundred eleven".