12440133224 has 32 divisors (see below), whose sum is σ = 23663975040. Its totient is φ = 6129816000.

The previous prime is 12440133221. The next prime is 12440133301. The reversal of 12440133224 is 42233104421.

It is a junction number, because it is equal to n+sod(n) for n = 12440133193 and 12440133202.

It is not an unprimeable number, because it can be changed into a prime (12440133221) 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, 2322149 + ... + 2327499.

It is an arithmetic number, because the mean of its divisors is an integer number (739499220).

Almost surely, 2^12440133224 is an apocalyptic number.

It is an amenable number.

12440133224 is a deficient number, since it is larger than the sum of its proper divisors (11223841816).

12440133224 is a wasteful number, since it uses less digits than its factorization.

12440133224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9521 (or 9517 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 12440133224 its reverse (42233104421), we get a palindrome (54673237645).

The spelling of 12440133224 in words is "twelve billion, four hundred forty million, one hundred thirty-three thousand, two hundred twenty-four".