12203207 has 2 divisors, whose sum is σ = 12203208. Its totient is φ = 12203206.

The previous prime is 12203203. The next prime is 12203231. The reversal of 12203207 is 70230221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12203207 - 2² = 12203203 is a prime.

It is a super-2 number, since 2×12203207² = 297836522169698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12203203) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6101603 + 6101604.

It is an arithmetic number, because the mean of its divisors is an integer number (6101604).

Almost surely, 2^12203207 is an apocalyptic number.

12203207 is a deficient number, since it is larger than the sum of its proper divisors (1).

12203207 is an equidigital number, since it uses as much as digits as its factorization.

12203207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 12203207 is about 3493.3088898636. The cubic root of 12203207 is about 230.2279215116.

Adding to 12203207 its reverse (70230221), we get a palindrome (82433428).

The spelling of 12203207 in words is "twelve million, two hundred three thousand, two hundred seven".