12012122201 has 2 divisors, whose sum is σ = 12012122202. Its totient is φ = 12012122200.

The previous prime is 12012122147. The next prime is 12012122251. The reversal of 12012122201 is 10222121021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9039255625 + 2972866576 = 95075^2 + 54524^2 .

It is a cyclic number.

It is not a de Polignac number, because 12012122201 - 2¹⁴ = 12012105817 is a prime.

It is not a weakly prime, because it can be changed into another prime (12012122251) 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, 6006061100 + 6006061101.

It is an arithmetic number, because the mean of its divisors is an integer number (6006061101).

Almost surely, 2^12012122201 is an apocalyptic number.

It is an amenable number.

12012122201 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012122201 is an equidigital number, since it uses as much as digits as its factorization.

12012122201 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 12012122201 its reverse (10222121021), we get a palindrome (22234243222).

The spelling of 12012122201 in words is "twelve billion, twelve million, one hundred twenty-two thousand, two hundred one".