212412241 has 2 divisors, whose sum is σ = 212412242. Its totient is φ = 212412240.

The previous prime is 212412203. The next prime is 212412247. The reversal of 212412241 is 142214212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195888016 + 16524225 = 13996^2 + 4065^2 .

It is a cyclic number.

It is not a de Polignac number, because 212412241 - 2⁹ = 212411729 is a prime.

It is not a weakly prime, because it can be changed into another prime (212412247) 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, 106206120 + 106206121.

It is an arithmetic number, because the mean of its divisors is an integer number (106206121).

Almost surely, 2^212412241 is an apocalyptic number.

It is an amenable number.

212412241 is a deficient number, since it is larger than the sum of its proper divisors (1).

212412241 is an equidigital number, since it uses as much as digits as its factorization.

212412241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 256, while the sum is 19.

The square root of 212412241 is about 14574.3693174010. The cubic root of 212412241 is about 596.6594365023.

Adding to 212412241 its reverse (142214212), we get a palindrome (354626453).

It can be divided in two parts, 2124 and 12241, that added together give a triangular number (14365 = T₁₆₉).

The spelling of 212412241 in words is "two hundred twelve million, four hundred twelve thousand, two hundred forty-one".