12230330220 has 36 divisors (see below), whose sum is σ = 37098668880. Its totient is φ = 3261421344.

The previous prime is 12230330209. The next prime is 12230330221. The reversal of 12230330220 is 2203303221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

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 = 12230330193 and 12230330202.

It is not an unprimeable number, because it can be changed into a prime (12230330221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33972960 + ... + 33973319.

It is an arithmetic number, because the mean of its divisors is an integer number (1030518580).

Almost surely, 2^12230330220 is an apocalyptic number.

12230330220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12230330220 is an abundant number, since it is smaller than the sum of its proper divisors (24868338660).

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

12230330220 is a wasteful number, since it uses less digits than its factorization.

12230330220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67946294 (or 67946289 counting only the distinct ones).

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

Adding to 12230330220 its reverse (2203303221), we get a palindrome (14433633441).

The spelling of 12230330220 in words is "twelve billion, two hundred thirty million, three hundred thirty thousand, two hundred twenty".