12221210227 has 2 divisors, whose sum is σ = 12221210228. Its totient is φ = 12221210226.

The previous prime is 12221210201. The next prime is 12221210233. The reversal of 12221210227 is 72201212221.

It is a strong prime.

It is an emirp because it is prime and its reverse (72201212221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12221210227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12221210198 and 12221210207.

It is not a weakly prime, because it can be changed into another prime (12221210627) 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, 6110605113 + 6110605114.

It is an arithmetic number, because the mean of its divisors is an integer number (6110605114).

Almost surely, 2^12221210227 is an apocalyptic number.

12221210227 is a deficient number, since it is larger than the sum of its proper divisors (1).

12221210227 is an equidigital number, since it uses as much as digits as its factorization.

12221210227 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 12221210227 its reverse (72201212221), we get a palindrome (84422422448).

The spelling of 12221210227 in words is "twelve billion, two hundred twenty-one million, two hundred ten thousand, two hundred twenty-seven".