12001321201 has 2 divisors, whose sum is σ = 12001321202. Its totient is φ = 12001321200.

The previous prime is 12001321159. The next prime is 12001321223. The reversal of 12001321201 is 10212310021.

12001321201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7022607601 + 4978713600 = 83801^2 + 70560^2 .

It is a cyclic number.

It is not a de Polignac number, because 12001321201 - 2¹⁷ = 12001190129 is a prime.

It is not a weakly prime, because it can be changed into another prime (12001321001) 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, 6000660600 + 6000660601.

It is an arithmetic number, because the mean of its divisors is an integer number (6000660601).

Almost surely, 2^12001321201 is an apocalyptic number.

It is an amenable number.

12001321201 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001321201 is an equidigital number, since it uses as much as digits as its factorization.

12001321201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12001321201 its reverse (10212310021), we get a palindrome (22213631222).

The spelling of 12001321201 in words is "twelve billion, one million, three hundred twenty-one thousand, two hundred one".