12220121210027 has 2 divisors, whose sum is σ = 12220121210028. Its totient is φ = 12220121210026.

The previous prime is 12220121209931. The next prime is 12220121210117. The reversal of 12220121210027 is 72001212102221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12220121210027 - 2¹⁰ = 12220121209003 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12220121209984 and 12220121210011.

It is not a weakly prime, because it can be changed into another prime (12220621210027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110060605013 + 6110060605014.

It is an arithmetic number, because the mean of its divisors is an integer number (6110060605014).

Almost surely, 2^{12220121210027} is an apocalyptic number.

12220121210027 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220121210027 is an equidigital number, since it uses as much as digits as its factorization.

12220121210027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 12220121210027 its reverse (72001212102221), we get a palindrome (84221333312248).

The spelling of 12220121210027 in words is "twelve trillion, two hundred twenty billion, one hundred twenty-one million, two hundred ten thousand, twenty-seven".