12003011320 has 16 divisors (see below), whose sum is σ = 27006775560. Its totient is φ = 4801204512.

The previous prime is 12003011309. The next prime is 12003011323. The reversal of 12003011320 is 2311030021.

It is a self number, because there is not a number n which added to its sum of digits gives 12003011320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12003011323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150037602 + ... + 150037681.

Almost surely, 2^12003011320 is an apocalyptic number.

12003011320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12003011320 is an abundant number, since it is smaller than the sum of its proper divisors (15003764240).

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

12003011320 is a wasteful number, since it uses less digits than its factorization.

12003011320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300075294 (or 300075290 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 12003011320 its reverse (2311030021), we get a palindrome (14314041341).

The spelling of 12003011320 in words is "twelve billion, three million, eleven thousand, three hundred twenty".