12122111327 has 2 divisors, whose sum is σ = 12122111328. Its totient is φ = 12122111326.

The previous prime is 12122111317. The next prime is 12122111401. The reversal of 12122111327 is 72311122121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12122111327 - 2⁶ = 12122111263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12122111317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061055663 + 6061055664.

It is an arithmetic number, because the mean of its divisors is an integer number (6061055664).

Almost surely, 2^12122111327 is an apocalyptic number.

12122111327 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122111327 is an equidigital number, since it uses as much as digits as its factorization.

12122111327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 336, while the sum is 23.

Adding to 12122111327 its reverse (72311122121), we get a palindrome (84433233448).

The spelling of 12122111327 in words is "twelve billion, one hundred twenty-two million, one hundred eleven thousand, three hundred twenty-seven".