12000210210221 has 2 divisors, whose sum is σ = 12000210210222. Its totient is φ = 12000210210220.

The previous prime is 12000210210179. The next prime is 12000210210227. The reversal of 12000210210221 is 12201201200021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11940383496196 + 59826714025 = 3455486^2 + 244595^2 .

It is an emirp because it is prime and its reverse (12201201200021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12000210210221 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12000210210196 and 12000210210205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12000210210227) 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, 6000105105110 + 6000105105111.

It is an arithmetic number, because the mean of its divisors is an integer number (6000105105111).

Almost surely, 2^{12000210210221} is an apocalyptic number.

It is an amenable number.

12000210210221 is a deficient number, since it is larger than the sum of its proper divisors (1).

12000210210221 is an equidigital number, since it uses as much as digits as its factorization.

12000210210221 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 14.

Adding to 12000210210221 its reverse (12201201200021), we get a palindrome (24201411410242).

The spelling of 12000210210221 in words is "twelve trillion, two hundred ten million, two hundred ten thousand, two hundred twenty-one".