12203244256 has 96 divisors (see below), whose sum is σ = 28016694720. Its totient is φ = 5124489216.

The previous prime is 12203244233. The next prime is 12203244257. The reversal of 12203244256 is 65244230221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12203244257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2250060 + ... + 2255476.

It is an arithmetic number, because the mean of its divisors is an integer number (291840570).

Almost surely, 2^12203244256 is an apocalyptic number.

12203244256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12203244256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14008347360).

12203244256 is an abundant number, since it is smaller than the sum of its proper divisors (15813450464).

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

12203244256 is a wasteful number, since it uses less digits than its factorization.

12203244256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5636 (or 5628 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 12203244256 its reverse (65244230221), we get a palindrome (77447474477).

The spelling of 12203244256 in words is "twelve billion, two hundred three million, two hundred forty-four thousand, two hundred fifty-six".