12226020011 has 4 divisors (see below), whose sum is σ = 12229398192. Its totient is φ = 12222641832.

The previous prime is 12226019987. The next prime is 12226020043. The reversal of 12226020011 is 11002062221.

12226020011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12226020011 - 2⁶ = 12226019947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12226020091) 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 in 3 ways as a sum of consecutive naturals, for example, 1683656 + ... + 1690901.

It is an arithmetic number, because the mean of its divisors is an integer number (3057349548).

Almost surely, 2^12226020011 is an apocalyptic number.

12226020011 is a deficient number, since it is larger than the sum of its proper divisors (3378181).

12226020011 is an equidigital number, since it uses as much as digits as its factorization.

12226020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3378180.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12226020011 its reverse (11002062221), we get a palindrome (23228082232).

The spelling of 12226020011 in words is "twelve billion, two hundred twenty-six million, twenty thousand, eleven".