12021120227 has 2 divisors, whose sum is σ = 12021120228. Its totient is φ = 12021120226.

The previous prime is 12021120187. The next prime is 12021120229. The reversal of 12021120227 is 72202112021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12021120227 - 2¹² = 12021116131 is a prime.

Together with 12021120229, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12021120199 and 12021120208.

It is not a weakly prime, because it can be changed into another prime (12021120229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010560113 + 6010560114.

It is an arithmetic number, because the mean of its divisors is an integer number (6010560114).

Almost surely, 2^12021120227 is an apocalyptic number.

12021120227 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021120227 is an equidigital number, since it uses as much as digits as its factorization.

12021120227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 12021120227 its reverse (72202112021), we get a palindrome (84223232248).

The spelling of 12021120227 in words is "twelve billion, twenty-one million, one hundred twenty thousand, two hundred twenty-seven".