12003003013220 has 48 divisors (see below), whose sum is σ = 25236393654528. Its totient is φ = 4795473404160.

The previous prime is 12003003013193. The next prime is 12003003013229. The reversal of 12003003013220 is 2231030030021.

12003003013220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12003003013229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62694440 + ... + 62885600.

It is an arithmetic number, because the mean of its divisors is an integer number (525758201136).

Almost surely, 2^{12003003013220} is an apocalyptic number.

12003003013220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12003003013220 is an abundant number, since it is smaller than the sum of its proper divisors (13233390641308).

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

12003003013220 is a wasteful number, since it uses less digits than its factorization.

12003003013220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194900 (or 194898 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 12003003013220 its reverse (2231030030021), we get a palindrome (14234033043241).

The spelling of 12003003013220 in words is "twelve trillion, three billion, three million, thirteen thousand, two hundred twenty".