212341133 has 2 divisors, whose sum is σ = 212341134. Its totient is φ = 212341132.

The previous prime is 212341123. The next prime is 212341189. The reversal of 212341133 is 331143212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211935364 + 405769 = 14558^2 + 637^2 .

It is a cyclic number.

It is not a de Polignac number, because 212341133 - 2⁴ = 212341117 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212341123) 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, 106170566 + 106170567.

It is an arithmetic number, because the mean of its divisors is an integer number (106170567).

Almost surely, 2^212341133 is an apocalyptic number.

It is an amenable number.

212341133 is a deficient number, since it is larger than the sum of its proper divisors (1).

212341133 is an equidigital number, since it uses as much as digits as its factorization.

212341133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 20.

The square root of 212341133 is about 14571.9296251389. The cubic root of 212341133 is about 596.5928490115.

Adding to 212341133 its reverse (331143212), we get a palindrome (543484345).

The spelling of 212341133 in words is "two hundred twelve million, three hundred forty-one thousand, one hundred thirty-three".