12012233322320 has 80 divisors (see below), whose sum is σ = 34819876349568. Its totient is φ = 3744072721920.

The previous prime is 12012233322311. The next prime is 12012233322347. The reversal of 12012233322320 is 2322333221021.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 12012233322320.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 975012779 + ... + 975025098.

Almost surely, 2^{12012233322320} is an apocalyptic number.

12012233322320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12012233322320 is an abundant number, since it is smaller than the sum of its proper divisors (22807643027248).

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

12012233322320 is a wasteful number, since it uses less digits than its factorization.

12012233322320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1950037908 (or 1950037902 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 12012233322320 its reverse (2322333221021), we get a palindrome (14334566543341).

The spelling of 12012233322320 in words is "twelve trillion, twelve billion, two hundred thirty-three million, three hundred twenty-two thousand, three hundred twenty".