12030221100 has 72 divisors (see below), whose sum is σ = 35152156368. Its totient is φ = 3176288000.

The previous prime is 12030221083. The next prime is 12030221101. The reversal of 12030221100 is 112203021.

12030221100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (12030221101) 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, 168219 + ... + 228818.

It is an arithmetic number, because the mean of its divisors is an integer number (488224394).

Almost surely, 2^12030221100 is an apocalyptic number.

12030221100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12030221100 is an abundant number, since it is smaller than the sum of its proper divisors (23121935268).

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

12030221100 is a wasteful number, since it uses less digits than its factorization.

12030221100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397155 (or 397148 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 12030221100 its reverse (112203021), we get a palindrome (12142424121).

The spelling of 12030221100 in words is "twelve billion, thirty million, two hundred twenty-one thousand, one hundred".