12222201223 has 2 divisors, whose sum is σ = 12222201224. Its totient is φ = 12222201222.

The previous prime is 12222201203. The next prime is 12222201239. The reversal of 12222201223 is 32210222221.

It is a strong prime.

It is an emirp because it is prime and its reverse (32210222221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12222201223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12222201223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12222201203) 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, 6111100611 + 6111100612.

It is an arithmetic number, because the mean of its divisors is an integer number (6111100612).

Almost surely, 2^12222201223 is an apocalyptic number.

12222201223 is a deficient number, since it is larger than the sum of its proper divisors (1).

12222201223 is an equidigital number, since it uses as much as digits as its factorization.

12222201223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 12222201223 its reverse (32210222221), we get a palindrome (44432423444).

The spelling of 12222201223 in words is "twelve billion, two hundred twenty-two million, two hundred one thousand, two hundred twenty-three".