12223444020 has 48 divisors (see below), whose sum is σ = 35021595840. Its totient is φ = 3183780096.

The previous prime is 12223443997. The next prime is 12223444031. The reversal of 12223444020 is 2044432221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2366305 + ... + 2371464.

It is an arithmetic number, because the mean of its divisors is an integer number (729616580).

Almost surely, 2^12223444020 is an apocalyptic number.

12223444020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12223444020 is an abundant number, since it is smaller than the sum of its proper divisors (22798151820).

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

12223444020 is a wasteful number, since it uses less digits than its factorization.

12223444020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4737824 (or 4737822 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 12223444020 its reverse (2044432221), we get a palindrome (14267876241).

The spelling of 12223444020 in words is "twelve billion, two hundred twenty-three million, four hundred forty-four thousand, twenty".