12122112201211 has 2 divisors, whose sum is σ = 12122112201212. Its totient is φ = 12122112201210.

The previous prime is 12122112201083. The next prime is 12122112201223. The reversal of 12122112201211 is 11210221122121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12122112201211 - 2⁷ = 12122112201083 is a prime.

It is not a weakly prime, because it can be changed into another prime (12122112231211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061056100605 + 6061056100606.

It is an arithmetic number, because the mean of its divisors is an integer number (6061056100606).

Almost surely, 2^{12122112201211} is an apocalyptic number.

12122112201211 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122112201211 is an equidigital number, since it uses as much as digits as its factorization.

12122112201211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 12122112201211 its reverse (11210221122121), we get a palindrome (23332333323332).

The spelling of 12122112201211 in words is "twelve trillion, one hundred twenty-two billion, one hundred twelve million, two hundred one thousand, two hundred eleven".