12210203 has 2 divisors, whose sum is σ = 12210204. Its totient is φ = 12210202.

The previous prime is 12210197. The next prime is 12210221. The reversal of 12210203 is 30201221.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (30201221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12210203 - 2⁸ = 12209947 is a prime.

It is not a weakly prime, because it can be changed into another prime (12210223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105101 + 6105102.

It is an arithmetic number, because the mean of its divisors is an integer number (6105102).

Almost surely, 2^12210203 is an apocalyptic number.

12210203 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210203 is an equidigital number, since it uses as much as digits as its factorization.

12210203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 12210203 is about 3494.3100892737. The cubic root of 12210203 is about 230.2719090427.

Adding to 12210203 its reverse (30201221), we get a palindrome (42411424).

The spelling of 12210203 in words is "twelve million, two hundred ten thousand, two hundred three".