12220320000 has 360 divisors, whose sum is σ = 46460577856. Its totient is φ = 2792448000.

The previous prime is 12220319999. The next prime is 12220320029. The reversal of 12220320000 is 2302221.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3358182 + ... + 3361818.

Almost surely, 2^12220320000 is an apocalyptic number.

12220320000 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 12220320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23230288928).

12220320000 is an abundant number, since it is smaller than the sum of its proper divisors (34240257856).

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

12220320000 is an frugal number, since it uses more digits than its factorization.

12220320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3683 (or 3654 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 12220320000 its reverse (2302221), we get a palindrome (12222622221).

The spelling of 12220320000 in words is "twelve billion, two hundred twenty million, three hundred twenty thousand".