212120210011201 has 2 divisors, whose sum is σ = 212120210011202. Its totient is φ = 212120210011200.

The previous prime is 212120210011163. The next prime is 212120210011249. The reversal of 212120210011201 is 102110012021212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 181971061812225 + 30149148198976 = 13489665^2 + 5490824^2 .

It is a cyclic number.

It is not a de Polignac number, because 212120210011201 - 2⁹ = 212120210010689 is a prime.

It is not a weakly prime, because it can be changed into another prime (212120210011001) 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, 106060105005600 + 106060105005601.

It is an arithmetic number, because the mean of its divisors is an integer number (106060105005601).

Almost surely, 2^{212120210011201} is an apocalyptic number.

It is an amenable number.

212120210011201 is a deficient number, since it is larger than the sum of its proper divisors (1).

212120210011201 is an equidigital number, since it uses as much as digits as its factorization.

212120210011201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 212120210011201 its reverse (102110012021212), we get a palindrome (314230222032413).

The spelling of 212120210011201 in words is "two hundred twelve trillion, one hundred twenty billion, two hundred ten million, eleven thousand, two hundred one".