12001103120011 has 2 divisors, whose sum is σ = 12001103120012. Its totient is φ = 12001103120010.

The previous prime is 12001103119997. The next prime is 12001103120029. The reversal of 12001103120011 is 11002130110021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12001103120011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12001103119973 and 12001103120000.

It is not a weakly prime, because it can be changed into another prime (12001103120051) 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, 6000551560005 + 6000551560006.

It is an arithmetic number, because the mean of its divisors is an integer number (6000551560006).

Almost surely, 2^{12001103120011} is an apocalyptic number.

12001103120011 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001103120011 is an equidigital number, since it uses as much as digits as its factorization.

12001103120011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 12001103120011 its reverse (11002130110021), we get a palindrome (23003233230032).

The spelling of 12001103120011 in words is "twelve trillion, one billion, one hundred three million, one hundred twenty thousand, eleven".