212213333 has 2 divisors, whose sum is σ = 212213334. Its totient is φ = 212213332.

The previous prime is 212213311. The next prime is 212213347. The reversal of 212213333 is 333312212.

212213333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157201444 + 55011889 = 12538^2 + 7417^2 .

It is a cyclic number.

It is not a de Polignac number, because 212213333 - 2⁸ = 212213077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212213303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106106666 + 106106667.

It is an arithmetic number, because the mean of its divisors is an integer number (106106667).

Almost surely, 2^212213333 is an apocalyptic number.

It is an amenable number.

212213333 is a deficient number, since it is larger than the sum of its proper divisors (1).

212213333 is an equidigital number, since it uses as much as digits as its factorization.

212213333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 20.

The square root of 212213333 is about 14567.5438217978. The cubic root of 212213333 is about 596.4731361915.

Adding to 212213333 its reverse (333312212), we get a palindrome (545525545).

The spelling of 212213333 in words is "two hundred twelve million, two hundred thirteen thousand, three hundred thirty-three".