12240441505340 has 48 divisors (see below), whose sum is σ = 26146939160160. Its totient is φ = 4812024065280.

The previous prime is 12240441505333. The next prime is 12240441505343. The reversal of 12240441505340 is 4350514404221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12240441505340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12240441505343) 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, 3622010 + ... + 6131870.

It is an arithmetic number, because the mean of its divisors is an integer number (544727899170).

Almost surely, 2^{12240441505340} is an apocalyptic number.

12240441505340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12240441505340 is an abundant number, since it is smaller than the sum of its proper divisors (13906497654820).

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

12240441505340 is a wasteful number, since it uses less digits than its factorization.

12240441505340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514062 (or 2514060 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 12240441505340 its reverse (4350514404221), we get a palindrome (16590955909561).

The spelling of 12240441505340 in words is "twelve trillion, two hundred forty billion, four hundred forty-one million, five hundred five thousand, three hundred forty".