212201201 has 2 divisors, whose sum is σ = 212201202. Its totient is φ = 212201200.

The previous prime is 212201159. The next prime is 212201219. The reversal of 212201201 is 102102212.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205951201 + 6250000 = 14351^2 + 2500^2 .

It is a cyclic number.

It is not a de Polignac number, because 212201201 - 2⁶ = 212201137 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (212201221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106100600 + 106100601.

It is an arithmetic number, because the mean of its divisors is an integer number (106100601).

Almost surely, 2^212201201 is an apocalyptic number.

It is an amenable number.

212201201 is a deficient number, since it is larger than the sum of its proper divisors (1).

212201201 is an equidigital number, since it uses as much as digits as its factorization.

212201201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 212201201 is about 14567.1274107149. The cubic root of 212201201 is about 596.4617694065.

Adding to 212201201 its reverse (102102212), we get a palindrome (314303413).

The spelling of 212201201 in words is "two hundred twelve million, two hundred one thousand, two hundred one".