12440505315224 has 24 divisors (see below), whose sum is σ = 27134265420540. Its totient is φ = 5331645134928.

The previous prime is 12440505315223. The next prime is 12440505315229. The reversal of 12440505315224 is 42251350504421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12440505315223) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 15867991082 + ... + 15867991865.

Almost surely, 2^{12440505315224} is an apocalyptic number.

12440505315224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12440505315224 is an abundant number, since it is smaller than the sum of its proper divisors (14693760105316).

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

12440505315224 is a wasteful number, since it uses less digits than its factorization.

12440505315224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31735982967 (or 31735982956 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 38.

Adding to 12440505315224 its reverse (42251350504421), we get a palindrome (54691855819645).

The spelling of 12440505315224 in words is "twelve trillion, four hundred forty billion, five hundred five million, three hundred fifteen thousand, two hundred twenty-four".