212223213227 has 2 divisors, whose sum is σ = 212223213228. Its totient is φ = 212223213226.

The previous prime is 212223213199. The next prime is 212223213239. The reversal of 212223213227 is 722312322212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212223213227 - 2¹⁶ = 212223147691 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212223213227.

It is not a weakly prime, because it can be changed into another prime (212223213247) 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, 106111606613 + 106111606614.

It is an arithmetic number, because the mean of its divisors is an integer number (106111606614).

Almost surely, 2^212223213227 is an apocalyptic number.

212223213227 is a deficient number, since it is larger than the sum of its proper divisors (1).

212223213227 is an equidigital number, since it uses as much as digits as its factorization.

212223213227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 29.

Adding to 212223213227 its reverse (722312322212), we get a palindrome (934535535439).

The spelling of 212223213227 in words is "two hundred twelve billion, two hundred twenty-three million, two hundred thirteen thousand, two hundred twenty-seven".