12020224111 has 4 divisors (see below), whose sum is σ = 13737398992. Its totient is φ = 10303049232.

The previous prime is 12020224079. The next prime is 12020224121. The reversal of 12020224111 is 11142202021.

12020224111 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 not a de Polignac number, because 12020224111 - 2⁵ = 12020224079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020224121) 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, 858587430 + ... + 858587443.

It is an arithmetic number, because the mean of its divisors is an integer number (3434349748).

Almost surely, 2^12020224111 is an apocalyptic number.

12020224111 is a deficient number, since it is larger than the sum of its proper divisors (1717174881).

12020224111 is an equidigital number, since it uses as much as digits as its factorization.

12020224111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717174880.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12020224111 its reverse (11142202021), we get a palindrome (23162426132).

The spelling of 12020224111 in words is "twelve billion, twenty million, two hundred twenty-four thousand, one hundred eleven".