12003103320 has 192 divisors, whose sum is σ = 41045875200. Its totient is φ = 2799014400.

The previous prime is 12003103261. The next prime is 12003103327. The reversal of 12003103320 is 2330130021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12003103320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12003103327) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 369745 + ... + 400895.

It is an arithmetic number, because the mean of its divisors is an integer number (213780600).

Almost surely, 2^12003103320 is an apocalyptic number.

12003103320 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 12003103320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20522937600).

12003103320 is an abundant number, since it is smaller than the sum of its proper divisors (29042771880).

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

12003103320 is a wasteful number, since it uses less digits than its factorization.

12003103320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31210 (or 31193 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 12003103320 its reverse (2330130021), we get a palindrome (14333233341).

The spelling of 12003103320 in words is "twelve billion, three million, one hundred three thousand, three hundred twenty".