12002321000320 has 128 divisors (see below), whose sum is σ = 34517953497600. Its totient is φ = 3898498222080.

The previous prime is 12002321000311. The next prime is 12002321000333. The reversal of 12002321000320 is 2300012320021.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 12002321000294 and 12002321000303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70417236 + ... + 70587475.

It is an arithmetic number, because the mean of its divisors is an integer number (269671511700).

Almost surely, 2^{12002321000320} is an apocalyptic number.

12002321000320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12002321000320 is an abundant number, since it is smaller than the sum of its proper divisors (22515632497280).

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

12002321000320 is a wasteful number, since it uses less digits than its factorization.

12002321000320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141004756 (or 141004744 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12002321000320 its reverse (2300012320021), we get a palindrome (14302333320341).

The spelling of 12002321000320 in words is "twelve trillion, two billion, three hundred twenty-one million, three hundred twenty", and thus it is an aban number.