12223440120 has 128 divisors (see below), whose sum is σ = 38152765440. Its totient is φ = 3129477120.

The previous prime is 12223440101. The next prime is 12223440127. The reversal of 12223440120 is 2104432221.

12223440120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12223440120² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12223440127) 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 31 ways as a sum of consecutive naturals, for example, 459504 + ... + 485376.

It is an arithmetic number, because the mean of its divisors is an integer number (298068480).

Almost surely, 2^12223440120 is an apocalyptic number.

12223440120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12223440120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19076382720).

12223440120 is an abundant number, since it is smaller than the sum of its proper divisors (25929325320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12223440120 is a wasteful number, since it uses less digits than its factorization.

12223440120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26045 (or 26041 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12223440120 its reverse (2104432221), we get a palindrome (14327872341).

The spelling of 12223440120 in words is "twelve billion, two hundred twenty-three million, four hundred forty thousand, one hundred twenty".