12204211 has 2 divisors, whose sum is σ = 12204212. Its totient is φ = 12204210.

The previous prime is 12204197. The next prime is 12204221. The reversal of 12204211 is 11240221.

It is a happy number.

12204211 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (11240221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12204211 - 2⁷ = 12204083 is a prime.

It is a super-2 number, since 2×12204211² = 297885532265042, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12204191 and 12204200.

It is not a weakly prime, because it can be changed into another prime (12204221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6102105 + 6102106.

It is an arithmetic number, because the mean of its divisors is an integer number (6102106).

Almost surely, 2^12204211 is an apocalyptic number.

12204211 is a deficient number, since it is larger than the sum of its proper divisors (1).

12204211 is an equidigital number, since it uses as much as digits as its factorization.

12204211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 12204211 is about 3493.4525902036. The cubic root of 12204211 is about 230.2342352206.

Adding to 12204211 its reverse (11240221), we get a palindrome (23444432).

The spelling of 12204211 in words is "twelve million, two hundred four thousand, two hundred eleven".