12041115520 has 128 divisors (see below), whose sum is σ = 34032830400. Its totient is φ = 3985981440.

The previous prime is 12041115479. The next prime is 12041115539. The reversal of 12041115520 is 2551114021.

12041115520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 12041115491 and 12041115500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83580 + ... + 176260.

Almost surely, 2^12041115520 is an apocalyptic number.

12041115520 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 12041115520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17016415200).

12041115520 is an abundant number, since it is smaller than the sum of its proper divisors (21991714880).

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

12041115520 is an equidigital number, since it uses as much as digits as its factorization.

12041115520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92736 (or 92724 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

Adding to 12041115520 its reverse (2551114021), we get a palindrome (14592229541).

The spelling of 12041115520 in words is "twelve billion, forty-one million, one hundred fifteen thousand, five hundred twenty".