12002022330320 has 160 divisors (see below), whose sum is σ = 31942504120320. Its totient is φ = 4151293329920.

The previous prime is 12002022330317. The next prime is 12002022330437. The reversal of 12002022330320 is 2303322020021.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12002022330292 and 12002022330301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1966577 + ... + 5279343.

It is an arithmetic number, because the mean of its divisors is an integer number (199640650752).

Almost surely, 2^{12002022330320} is an apocalyptic number.

12002022330320 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 12002022330320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15971252060160).

12002022330320 is an abundant number, since it is smaller than the sum of its proper divisors (19940481790000).

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

12002022330320 is a wasteful number, since it uses less digits than its factorization.

12002022330320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3312993 (or 3312987 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 12002022330320 its reverse (2303322020021), we get a palindrome (14305344350341).

The spelling of 12002022330320 in words is "twelve trillion, two billion, twenty-two million, three hundred thirty thousand, three hundred twenty".