12120002221027 has 2 divisors, whose sum is σ = 12120002221028. Its totient is φ = 12120002221026.

The previous prime is 12120002221013. The next prime is 12120002221121. The reversal of 12120002221027 is 72012220002121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12120002221027 - 2³⁵ = 12085642482659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12120002220989 and 12120002221007.

It is not a weakly prime, because it can be changed into another prime (12120002224027) 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, 6060001110513 + 6060001110514.

It is an arithmetic number, because the mean of its divisors is an integer number (6060001110514).

Almost surely, 2^{12120002221027} is an apocalyptic number.

12120002221027 is a deficient number, since it is larger than the sum of its proper divisors (1).

12120002221027 is an equidigital number, since it uses as much as digits as its factorization.

12120002221027 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 22.

Adding to 12120002221027 its reverse (72012220002121), we get a palindrome (84132222223148).

The spelling of 12120002221027 in words is "twelve trillion, one hundred twenty billion, two million, two hundred twenty-one thousand, twenty-seven".