12223303021220 has 48 divisors (see below), whose sum is σ = 26094279360240. Its totient is φ = 4808682971136.

The previous prime is 12223303021207. The next prime is 12223303021289. The reversal of 12223303021220 is 2212030332221.

It can be written as a sum of positive squares in 8 ways, for example, as 1108320461824 + 11114982559396 = 1052768^2 + 3333914^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11343155 + ... + 12373914.

It is an arithmetic number, because the mean of its divisors is an integer number (543630820005).

Almost surely, 2^{12223303021220} is an apocalyptic number.

12223303021220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12223303021220 is an abundant number, since it is smaller than the sum of its proper divisors (13870976339020).

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

12223303021220 is a wasteful number, since it uses less digits than its factorization.

12223303021220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23717504 (or 23717502 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 12223303021220 its reverse (2212030332221), we get a palindrome (14435333353441).

The spelling of 12223303021220 in words is "twelve trillion, two hundred twenty-three billion, three hundred three million, twenty-one thousand, two hundred twenty".