12011321222320 has 40 divisors (see below), whose sum is σ = 31915796392224. Its totient is φ = 4118167276032.

The previous prime is 12011321222309. The next prime is 12011321222357. The reversal of 12011321222320 is 2322212311021.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 12011321222291 and 12011321222300.

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, 10724393389 + ... + 10724394508.

Almost surely, 2^{12011321222320} is an apocalyptic number.

12011321222320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12011321222320 is an abundant number, since it is smaller than the sum of its proper divisors (19904475169904).

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

12011321222320 is a wasteful number, since it uses less digits than its factorization.

12011321222320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21448787917 (or 21448787911 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 12011321222320 its reverse (2322212311021), we get a palindrome (14333533533341).

The spelling of 12011321222320 in words is "twelve trillion, eleven billion, three hundred twenty-one million, two hundred twenty-two thousand, three hundred twenty".