12001200120011 has 2 divisors, whose sum is σ = 12001200120012. Its totient is φ = 12001200120010.

The previous prime is 12001200119977. The next prime is 12001200120023. The reversal of 12001200120011 is 11002100210021.

12001200120011 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 is an emirp because it is prime and its reverse (11002100210021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12001200120011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12001200119974 and 12001200120001.

It is not a weakly prime, because it can be changed into another prime (12001200126011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000600060005 + 6000600060006.

It is an arithmetic number, because the mean of its divisors is an integer number (6000600060006).

Almost surely, 2^{12001200120011} is an apocalyptic number.

12001200120011 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001200120011 is an equidigital number, since it uses as much as digits as its factorization.

12001200120011 is an evil number, because the sum of its binary digits is even.

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

Adding to 12001200120011 its reverse (11002100210021), we get a palindrome (23003300330032).

The spelling of 12001200120011 in words is "twelve trillion, one billion, two hundred million, one hundred twenty thousand, eleven".