12203222444 has 24 divisors (see below), whose sum is σ = 24904538400. Its totient is φ = 5229951888.

The previous prime is 12203222441. The next prime is 12203222459. The reversal of 12203222444 is 44422230221.

It is not an unprimeable number, because it can be changed into a prime (12203222441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4445867 + ... + 4448610.

It is an arithmetic number, because the mean of its divisors is an integer number (1037689100).

Almost surely, 2^12203222444 is an apocalyptic number.

12203222444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12203222444 is an abundant number, since it is smaller than the sum of its proper divisors (12701315956).

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

12203222444 is an equidigital number, since it uses as much as digits as its factorization.

12203222444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8894502 (or 8894486 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 12203222444 its reverse (44422230221), we get a palindrome (56625452665).

The spelling of 12203222444 in words is "twelve billion, two hundred three million, two hundred twenty-two thousand, four hundred forty-four".