12203203320 has 576 divisors, whose sum is σ = 51468318720. Its totient is φ = 2452032000.

The previous prime is 12203203319. The next prime is 12203203343. The reversal of 12203203320 is 2330230221.

It is a happy number.

12203203320 is a `hidden beast` number, since 1 + 2 + 20 + 320 + 3 + 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 = 12203203293 and 12203203302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 9451875 + ... + 9453165.

It is an arithmetic number, because the mean of its divisors is an integer number (89354720).

Almost surely, 2^12203203320 is an apocalyptic number.

12203203320 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 12203203320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25734159360).

12203203320 is an abundant number, since it is smaller than the sum of its proper divisors (39265115400).

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

12203203320 is a wasteful number, since it uses less digits than its factorization.

12203203320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368 (or 1350 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 12203203320 its reverse (2330230221), we get a palindrome (14533433541).

The spelling of 12203203320 in words is "twelve billion, two hundred three million, two hundred three thousand, three hundred twenty".