12303302220 has 360 divisors, whose sum is σ = 44745790320. Its totient is φ = 2805995520.

The previous prime is 12303302213. The next prime is 12303302233. The reversal of 12303302220 is 2220330321.

It is a happy number.

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 = 12303302193 and 12303302202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 5148786 + ... + 5151174.

It is an arithmetic number, because the mean of its divisors is an integer number (124293862).

Almost surely, 2^12303302220 is an apocalyptic number.

12303302220 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 12303302220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22372895160).

12303302220 is an abundant number, since it is smaller than the sum of its proper divisors (32442488100).

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

12303302220 is a wasteful number, since it uses less digits than its factorization.

12303302220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2455 (or 2427 counting only the distinct ones).

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

Adding to 12303302220 its reverse (2220330321), we get a palindrome (14523632541).

The spelling of 12303302220 in words is "twelve billion, three hundred three million, three hundred two thousand, two hundred twenty".