212201233 has 2 divisors, whose sum is σ = 212201234. Its totient is φ = 212201232.

The previous prime is 212201221. The next prime is 212201239. The reversal of 212201233 is 332102212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140849424 + 71351809 = 11868^2 + 8447^2 .

It is a cyclic number.

It is not a de Polignac number, because 212201233 - 2⁵ = 212201201 is a prime.

It is not a weakly prime, because it can be changed into another prime (212201239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106100616 + 106100617.

It is an arithmetic number, because the mean of its divisors is an integer number (106100617).

Almost surely, 2^212201233 is an apocalyptic number.

It is an amenable number.

212201233 is a deficient number, since it is larger than the sum of its proper divisors (1).

212201233 is an equidigital number, since it uses as much as digits as its factorization.

212201233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 212201233 is about 14567.1285090782. The cubic root of 212201233 is about 596.4617993887.

Adding to 212201233 its reverse (332102212), we get a palindrome (544303445).

The spelling of 212201233 in words is "two hundred twelve million, two hundred one thousand, two hundred thirty-three".