12220203310320 has 160 divisors (see below), whose sum is σ = 39913153966080. Its totient is φ = 3084367887360.

The previous prime is 12220203310319. The next prime is 12220203310321. The reversal of 12220203310320 is 2301330202221.

It is a happy number.

12220203310320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12220203310319) and next prime (12220203310321).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220203310321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3724030 + ... + 6189410.

It is an arithmetic number, because the mean of its divisors is an integer number (249457212288).

Almost surely, 2^{12220203310320} is an apocalyptic number.

12220203310320 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 12220203310320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19956576983040).

12220203310320 is an abundant number, since it is smaller than the sum of its proper divisors (27692950655760).

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

12220203310320 is a wasteful number, since it uses less digits than its factorization.

12220203310320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2466503 (or 2466497 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12220203310320 its reverse (2301330202221), we get a palindrome (14521533512541).

The spelling of 12220203310320 in words is "twelve trillion, two hundred twenty billion, two hundred three million, three hundred ten thousand, three hundred twenty".