12230320220 has 48 divisors (see below), whose sum is σ = 26905737600. Its totient is φ = 4663626240.

The previous prime is 12230320187. The next prime is 12230320241. The reversal of 12230320220 is 2202303221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87641 + ... + 179280.

It is an arithmetic number, because the mean of its divisors is an integer number (560536200).

Almost surely, 2^12230320220 is an apocalyptic number.

12230320220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12230320220 is an abundant number, since it is smaller than the sum of its proper divisors (14675417380).

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

12230320220 is a wasteful number, since it uses less digits than its factorization.

12230320220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267038 (or 267036 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 12230320220 its reverse (2202303221), we get a palindrome (14432623441).

The spelling of 12230320220 in words is "twelve billion, two hundred thirty million, three hundred twenty thousand, two hundred twenty".