12315411240 has 128 divisors (see below), whose sum is σ = 40400363520. Its totient is φ = 2978489600.

The previous prime is 12315411233. The next prime is 12315411289. The reversal of 12315411240 is 4211451321.

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 12315411240.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 558097 + ... + 579743.

It is an arithmetic number, because the mean of its divisors is an integer number (315627840).

Almost surely, 2^12315411240 is an apocalyptic number.

12315411240 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 12315411240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20200181760).

12315411240 is an abundant number, since it is smaller than the sum of its proper divisors (28084952280).

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

12315411240 is a wasteful number, since it uses less digits than its factorization.

12315411240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22103 (or 22099 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 12315411240 its reverse (4211451321), we get a palindrome (16526862561).

The spelling of 12315411240 in words is "twelve billion, three hundred fifteen million, four hundred eleven thousand, two hundred forty".