12000320320 has 56 divisors (see below), whose sum is σ = 28765122048. Its totient is φ = 4768320000.

The previous prime is 12000320309. The next prime is 12000320341. The reversal of 12000320320 is 2302300021.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12000320320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75856 + ... + 172495.

Almost surely, 2^12000320320 is an apocalyptic number.

12000320320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12000320320 is an abundant number, since it is smaller than the sum of its proper divisors (16764801728).

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

12000320320 is a wasteful number, since it uses less digits than its factorization.

12000320320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248519 (or 248509 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 12000320320 its reverse (2302300021), we get a palindrome (14302620341).

The spelling of 12000320320 in words is "twelve billion, three hundred twenty thousand, three hundred twenty".