12223231112020 has 12 divisors (see below), whose sum is σ = 25668785335284. Its totient is φ = 4889292444800.

The previous prime is 12223231111969. The next prime is 12223231112021. The reversal of 12223231112020 is 2021113232221.

It can be written as a sum of positive squares in 2 ways, for example, as 1582574064016 + 10640657048004 = 1258004^2 + 3262002^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12223231111982 and 12223231112000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12223231112021) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 305580777781 + ... + 305580777820.

It is an arithmetic number, because the mean of its divisors is an integer number (2139065444607).

Almost surely, 2^{12223231112020} is an apocalyptic number.

12223231112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12223231112020 is an abundant number, since it is smaller than the sum of its proper divisors (13445554223264).

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

12223231112020 is a wasteful number, since it uses less digits than its factorization.

12223231112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611161555610 (or 611161555608 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 12223231112020 its reverse (2021113232221), we get a palindrome (14244344344241).

The spelling of 12223231112020 in words is "twelve trillion, two hundred twenty-three billion, two hundred thirty-one million, one hundred twelve thousand, twenty".