12122222022227 has 2 divisors, whose sum is σ = 12122222022228. Its totient is φ = 12122222022226.

The previous prime is 12122222022143. The next prime is 12122222022299. The reversal of 12122222022227 is 72222022222121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12122222022227 - 2⁸ = 12122222021971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12122222022227.

It is not a weakly prime, because it can be changed into another prime (12122222022727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061111011113 + 6061111011114.

It is an arithmetic number, because the mean of its divisors is an integer number (6061111011114).

Almost surely, 2^{12122222022227} is an apocalyptic number.

12122222022227 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122222022227 is an equidigital number, since it uses as much as digits as its factorization.

12122222022227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7168, while the sum is 29.

Adding to 12122222022227 its reverse (72222022222121), we get a palindrome (84344244244348).

The spelling of 12122222022227 in words is "twelve trillion, one hundred twenty-two billion, two hundred twenty-two million, twenty-two thousand, two hundred twenty-seven".