12841280520040 has 32 divisors (see below), whose sum is σ = 33020435623680. Its totient is φ = 4402724749632.

The previous prime is 12841280519993. The next prime is 12841280520041. The reversal of 12841280520040 is 4002508214821.

It is not an unprimeable number, because it can be changed into a prime (12841280520041) 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, 22930857792 + ... + 22930858351.

It is an arithmetic number, because the mean of its divisors is an integer number (1031888613240).

Almost surely, 2^{12841280520040} is an apocalyptic number.

12841280520040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12841280520040 is an abundant number, since it is smaller than the sum of its proper divisors (20179155103640).

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

12841280520040 is a wasteful number, since it uses less digits than its factorization.

12841280520040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45861716161 (or 45861716157 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 37.

Adding to 12841280520040 its reverse (4002508214821), we get a palindrome (16843788734861).

The spelling of 12841280520040 in words is "twelve trillion, eight hundred forty-one billion, two hundred eighty million, five hundred twenty thousand, forty".