12203324250 has 128 divisors (see below), whose sum is σ = 32979308544. Its totient is φ = 2987712000.

The previous prime is 12203324197. The next prime is 12203324269. The reversal of 12203324250 is 5242330221.

It is a super-2 number, since 2×12203324250² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12203324250.

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 63 ways as a sum of consecutive naturals, for example, 1858974 + ... + 1865526.

It is an arithmetic number, because the mean of its divisors is an integer number (257650848).

Almost surely, 2^12203324250 is an apocalyptic number.

12203324250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12203324250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16489654272).

12203324250 is an abundant number, since it is smaller than the sum of its proper divisors (20775984294).

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

12203324250 is a wasteful number, since it uses less digits than its factorization.

12203324250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6777 (or 6767 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 12203324250 its reverse (5242330221), we get a palindrome (17445654471).

The spelling of 12203324250 in words is "twelve billion, two hundred three million, three hundred twenty-four thousand, two hundred fifty".