12102201227 has 2 divisors, whose sum is σ = 12102201228. Its totient is φ = 12102201226.

The previous prime is 12102201211. The next prime is 12102201229. The reversal of 12102201227 is 72210220121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12102201227 - 2⁴ = 12102201211 is a prime.

Together with 12102201229, 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 = 12102201199 and 12102201208.

It is not a weakly prime, because it can be changed into another prime (12102201229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051100613 + 6051100614.

It is an arithmetic number, because the mean of its divisors is an integer number (6051100614).

Almost surely, 2^12102201227 is an apocalyptic number.

12102201227 is a deficient number, since it is larger than the sum of its proper divisors (1).

12102201227 is an equidigital number, since it uses as much as digits as its factorization.

12102201227 is an odious number, because the sum of its binary digits is odd.

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

Adding to 12102201227 its reverse (72210220121), we get a palindrome (84312421348).

The spelling of 12102201227 in words is "twelve billion, one hundred two million, two hundred one thousand, two hundred twenty-seven".