212302241 has 2 divisors, whose sum is σ = 212302242. Its totient is φ = 212302240.

The previous prime is 212302201. The next prime is 212302247. The reversal of 212302241 is 142203212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199628641 + 12673600 = 14129^2 + 3560^2 .

It is a cyclic number.

It is not a de Polignac number, because 212302241 - 2²² = 208107937 is a prime.

It is not a weakly prime, because it can be changed into another prime (212302247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106151120 + 106151121.

It is an arithmetic number, because the mean of its divisors is an integer number (106151121).

Almost surely, 2^212302241 is an apocalyptic number.

It is an amenable number.

212302241 is a deficient number, since it is larger than the sum of its proper divisors (1).

212302241 is an equidigital number, since it uses as much as digits as its factorization.

212302241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 212302241 is about 14570.5950805037. The cubic root of 212302241 is about 596.5564231818.

Adding to 212302241 its reverse (142203212), we get a palindrome (354505453).

The spelling of 212302241 in words is "two hundred twelve million, three hundred two thousand, two hundred forty-one".