212010122201201 has 2 divisors, whose sum is σ = 212010122201202. Its totient is φ = 212010122201200.

The previous prime is 212010122201191. The next prime is 212010122201257. The reversal of 212010122201201 is 102102221010212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 181977267111025 + 30032855090176 = 13489895^2 + 5480224^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212010122201201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212010122201201.

It is not a weakly prime, because it can be changed into another prime (212010122101201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106005061100600 + 106005061100601.

It is an arithmetic number, because the mean of its divisors is an integer number (106005061100601).

Almost surely, 2^{212010122201201} is an apocalyptic number.

It is an amenable number.

212010122201201 is a deficient number, since it is larger than the sum of its proper divisors (1).

212010122201201 is an equidigital number, since it uses as much as digits as its factorization.

212010122201201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212010122201201 its reverse (102102221010212), we get a palindrome (314112343211413).

The spelling of 212010122201201 in words is "two hundred twelve trillion, ten billion, one hundred twenty-two million, two hundred one thousand, two hundred one".