12118183040 has 128 divisors (see below), whose sum is σ = 30015846000. Its totient is φ = 4675010560.

The previous prime is 12118183031. The next prime is 12118183043. The reversal of 12118183040 is 4038181121.

It can be written as a sum of positive squares in 8 ways, for example, as 2023560256 + 10094622784 = 44984^2 + 100472^2 .

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 = 12118182994 and 12118183012.

It is not an unprimeable number, because it can be changed into a prime (12118183043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2332766 + ... + 2337954.

Almost surely, 2^12118183040 is an apocalyptic number.

12118183040 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 12118183040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15007923000).

12118183040 is an abundant number, since it is smaller than the sum of its proper divisors (17897662960).

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

12118183040 is an equidigital number, since it uses as much as digits as its factorization.

12118183040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5338 (or 5326 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 29.

The spelling of 12118183040 in words is "twelve billion, one hundred eighteen million, one hundred eighty-three thousand, forty".