12224333040 has 80 divisors (see below), whose sum is σ = 38035470336. Its totient is φ = 3247776000.

The previous prime is 12224333039. The next prime is 12224333059. The reversal of 12224333040 is 4033342221.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 12224333040.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28936 + ... + 159015.

Almost surely, 2^12224333040 is an apocalyptic number.

12224333040 is a gapful number since it is divisible by the number (10) 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 12224333040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19017735168).

12224333040 is an abundant number, since it is smaller than the sum of its proper divisors (25811137296).

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

12224333040 is a wasteful number, since it uses less digits than its factorization.

12224333040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188238 (or 188232 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 12224333040 its reverse (4033342221), we get a palindrome (16257675261).

The spelling of 12224333040 in words is "twelve billion, two hundred twenty-four million, three hundred thirty-three thousand, forty".