12122200120291 has 2 divisors, whose sum is σ = 12122200120292. Its totient is φ = 12122200120290.

The previous prime is 12122200120279. The next prime is 12122200120307. The reversal of 12122200120291 is 19202100222121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12122200120291 - 2⁹ = 12122200119779 is a prime.

It is not a weakly prime, because it can be changed into another prime (12122200120091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061100060145 + 6061100060146.

It is an arithmetic number, because the mean of its divisors is an integer number (6061100060146).

Almost surely, 2^{12122200120291} is an apocalyptic number.

12122200120291 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122200120291 is an equidigital number, since it uses as much as digits as its factorization.

12122200120291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 12122200120291 in words is "twelve trillion, one hundred twenty-two billion, two hundred million, one hundred twenty thousand, two hundred ninety-one".