12818507303040 has 128 divisors (see below), whose sum is σ = 42635470089600. Its totient is φ = 3269648228352.

The previous prime is 12818507303029. The next prime is 12818507303047. The reversal of 12818507303040 is 4030370581821.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 12818507302983 and 12818507303001.

It is not an unprimeable number, because it can be changed into a prime (12818507303047) 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, 145092925 + ... + 145181244.

It is an arithmetic number, because the mean of its divisors is an integer number (333089610075).

Almost surely, 2^{12818507303040} is an apocalyptic number.

12818507303040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12818507303040 is an abundant number, since it is smaller than the sum of its proper divisors (29816962786560).

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

12818507303040 is a wasteful number, since it uses less digits than its factorization.

12818507303040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290274214 (or 290274202 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

Adding to 12818507303040 its reverse (4030370581821), we get a palindrome (16848877884861).

The spelling of 12818507303040 in words is "twelve trillion, eight hundred eighteen billion, five hundred seven million, three hundred three thousand, forty".