12021210011 has 2 divisors, whose sum is σ = 12021210012. Its totient is φ = 12021210010.

The previous prime is 12021209971. The next prime is 12021210013. The reversal of 12021210011 is 11001212021.

12021210011 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12021210011 is a prime.

Together with 12021210013, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12021209974 and 12021210001.

It is not a weakly prime, because it can be changed into another prime (12021210013) 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, 6010605005 + 6010605006.

It is an arithmetic number, because the mean of its divisors is an integer number (6010605006).

Almost surely, 2^12021210011 is an apocalyptic number.

12021210011 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021210011 is an equidigital number, since it uses as much as digits as its factorization.

12021210011 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 12021210011 its reverse (11001212021), we get a palindrome (23022422032).

The spelling of 12021210011 in words is "twelve billion, twenty-one million, two hundred ten thousand, eleven".