212207 has 2 divisors, whose sum is σ = 212208. Its totient is φ = 212206.

The previous prime is 212203. The next prime is 212209. The reversal of 212207 is 702212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212207 - 2² = 212203 is a prime.

Together with 212209, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 212191 and 212200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212203) 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, 106103 + 106104.

It is an arithmetic number, because the mean of its divisors is an integer number (106104).

2²¹²²⁰⁷ is an apocalyptic number.

212207 is a deficient number, since it is larger than the sum of its proper divisors (1).

212207 is an equidigital number, since it uses as much as digits as its factorization.

212207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 212207 is about 460.6593101197. The cubic root of 212207 is about 59.6467202694.

Adding to 212207 its reverse (702212), we get a palindrome (914419).

The spelling of 212207 in words is "two hundred twelve thousand, two hundred seven", and thus it is an iban number.