12003303020 has 48 divisors (see below), whose sum is σ = 26313190848. Its totient is φ = 4590769920.

The previous prime is 12003303017. The next prime is 12003303031. The reversal of 12003303020 is 2030330021.

It is a super-2 number, since 2×12003303020² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12003302986 and 12003303004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2307062 + ... + 2312258.

It is an arithmetic number, because the mean of its divisors is an integer number (548191476).

Almost surely, 2^12003303020 is an apocalyptic number.

12003303020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12003303020 is an abundant number, since it is smaller than the sum of its proper divisors (14309887828).

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

12003303020 is a wasteful number, since it uses less digits than its factorization.

12003303020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10250 (or 10248 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 12003303020 its reverse (2030330021), we get a palindrome (14033633041).

The spelling of 12003303020 in words is "twelve billion, three million, three hundred three thousand, twenty".