12012110002001 has 2 divisors, whose sum is σ = 12012110002002. Its totient is φ = 12012110002000.

The previous prime is 12012110001977. The next prime is 12012110002033. The reversal of 12012110002001 is 10020001121021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10041287102401 + 1970822899600 = 3168799^2 + 1403860^2 .

It is a cyclic number.

It is not a de Polignac number, because 12012110002001 - 2¹⁰ = 12012110000977 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12012110002801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006055001000 + 6006055001001.

It is an arithmetic number, because the mean of its divisors is an integer number (6006055001001).

Almost surely, 2^{12012110002001} is an apocalyptic number.

It is an amenable number.

12012110002001 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012110002001 is an equidigital number, since it uses as much as digits as its factorization.

12012110002001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12012110002001 its reverse (10020001121021), we get a palindrome (22032111123022).

The spelling of 12012110002001 in words is "twelve trillion, twelve billion, one hundred ten million, two thousand, one".