12201221222027 has 2 divisors, whose sum is σ = 12201221222028. Its totient is φ = 12201221222026.

The previous prime is 12201221221963. The next prime is 12201221222041. The reversal of 12201221222027 is 72022212210221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12201221222027 - 2⁶ = 12201221221963 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12201221221987 and 12201221222005.

It is not a weakly prime, because it can be changed into another prime (12201221222087) 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, 6100610611013 + 6100610611014.

It is an arithmetic number, because the mean of its divisors is an integer number (6100610611014).

Almost surely, 2^{12201221222027} is an apocalyptic number.

12201221222027 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201221222027 is an equidigital number, since it uses as much as digits as its factorization.

12201221222027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 26.

Adding to 12201221222027 its reverse (72022212210221), we get a palindrome (84223433432248).

The spelling of 12201221222027 in words is "twelve trillion, two hundred one billion, two hundred twenty-one million, two hundred twenty-two thousand, twenty-seven".