12022021111320 has 320 divisors, whose sum is σ = 44135337866400. Its totient is φ = 2910819870720.

The previous prime is 12022021111279. The next prime is 12022021111339. The reversal of 12022021111320 is 2311112022021.

12022021111320 is a `hidden beast` number, since 12 + 0 + 220 + 2 + 1 + 111 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12022021111293 and 12022021111302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 28624282 + ... + 29041238.

Almost surely, 2^{12022021111320} is an apocalyptic number.

12022021111320 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 12022021111320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22067668933200).

12022021111320 is an abundant number, since it is smaller than the sum of its proper divisors (32113316755080).

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

12022021111320 is a wasteful number, since it uses less digits than its factorization.

12022021111320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417800 (or 417787 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12022021111320 its reverse (2311112022021), we get a palindrome (14333133133341).

The spelling of 12022021111320 in words is "twelve trillion, twenty-two billion, twenty-one million, one hundred eleven thousand, three hundred twenty".