12020211227 has 2 divisors, whose sum is σ = 12020211228. Its totient is φ = 12020211226.

The previous prime is 12020211221. The next prime is 12020211251. The reversal of 12020211227 is 72211202021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12020211227 - 2⁴ = 12020211211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12020211199 and 12020211208.

It is not a weakly prime, because it can be changed into another prime (12020211221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010105613 + 6010105614.

It is an arithmetic number, because the mean of its divisors is an integer number (6010105614).

Almost surely, 2^12020211227 is an apocalyptic number.

12020211227 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020211227 is an equidigital number, since it uses as much as digits as its factorization.

12020211227 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 12020211227 its reverse (72211202021), we get a palindrome (84231413248).

The spelling of 12020211227 in words is "twelve billion, twenty million, two hundred eleven thousand, two hundred twenty-seven".