12003304120 has 32 divisors (see below), whose sum is σ = 27079873920. Its totient is φ = 4788443520.

The previous prime is 12003304039. The next prime is 12003304151. The reversal of 12003304120 is 2140330021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12003304094 and 12003304103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387336 + ... + 417175.

It is an arithmetic number, because the mean of its divisors is an integer number (846246060).

Almost surely, 2^12003304120 is an apocalyptic number.

12003304120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12003304120 is an abundant number, since it is smaller than the sum of its proper divisors (15076569800).

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

12003304120 is a wasteful number, since it uses less digits than its factorization.

12003304120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804895 (or 804891 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12003304120 its reverse (2140330021), we get a palindrome (14143634141).

The spelling of 12003304120 in words is "twelve billion, three million, three hundred four thousand, one hundred twenty".