12032220220 has 72 divisors (see below), whose sum is σ = 26980230816. Its totient is φ = 4506356736.

The previous prime is 12032220191. The next prime is 12032220223. The reversal of 12032220220 is 2202223021.

12032220220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12032220194 and 12032220203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12032220223) 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 23 ways as a sum of consecutive naturals, for example, 1133377 + ... + 1143943.

It is an arithmetic number, because the mean of its divisors is an integer number (374725428).

Almost surely, 2^12032220220 is an apocalyptic number.

12032220220 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 12032220220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13490115408).

12032220220 is an abundant number, since it is smaller than the sum of its proper divisors (14948010596).

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

12032220220 is a wasteful number, since it uses less digits than its factorization.

12032220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10807 (or 10788 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 12032220220 its reverse (2202223021), we get a palindrome (14234443241).

The spelling of 12032220220 in words is "twelve billion, thirty-two million, two hundred twenty thousand, two hundred twenty".