12111322203 has 16 divisors (see below), whose sum is σ = 18521497600. Its totient is φ = 7813755720.

The previous prime is 12111322187. The next prime is 12111322211. The reversal of 12111322203 is 30222311121.

12111322203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12111322203 - 2⁴ = 12111322187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12111322243) 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 15 ways as a sum of consecutive naturals, for example, 7234123 + ... + 7235796.

It is an arithmetic number, because the mean of its divisors is an integer number (1157593600).

Almost surely, 2^12111322203 is an apocalyptic number.

12111322203 is a deficient number, since it is larger than the sum of its proper divisors (6410175397).

12111322203 is a wasteful number, since it uses less digits than its factorization.

12111322203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14469959 (or 14469953 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12111322203 its reverse (30222311121), we get a palindrome (42333633324).

The spelling of 12111322203 in words is "twelve billion, one hundred eleven million, three hundred twenty-two thousand, two hundred three".