12001313022320 has 80 divisors (see below), whose sum is σ = 29296051673760. Its totient is φ = 4565810844672.

The previous prime is 12001313022311. The next prime is 12001313022331. The reversal of 12001313022320 is 2322031310021.

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

It is a super-2 number, since 2×12001313022320² (a number of 27 digits) contains 22 as substring.

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 = 12001313022292 and 12001313022301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38448887 + ... + 38759766.

It is an arithmetic number, because the mean of its divisors is an integer number (366200645922).

Almost surely, 2^{12001313022320} is an apocalyptic number.

12001313022320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12001313022320 is an abundant number, since it is smaller than the sum of its proper divisors (17294738651440).

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

12001313022320 is a wasteful number, since it uses less digits than its factorization.

12001313022320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77208762 (or 77208756 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12001313022320 its reverse (2322031310021), we get a palindrome (14323344332341).

The spelling of 12001313022320 in words is "twelve trillion, one billion, three hundred thirteen million, twenty-two thousand, three hundred twenty".