12024043040 has 72 divisors (see below), whose sum is σ = 29695788108. Its totient is φ = 4600471040.

The previous prime is 12024043039. The next prime is 12024043081. The reversal of 12024043040 is 4034042021.

It can be written as a sum of positive squares in 2 ways, for example, as 11965734544 + 58308496 = 109388^2 + 7636^2 .

It is a super-2 number, since 2×12024043040² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 13610 + ... + 155670.

Almost surely, 2^12024043040 is an apocalyptic number.

12024043040 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 12024043040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14847894054).

12024043040 is an abundant number, since it is smaller than the sum of its proper divisors (17671745068).

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

12024043040 is a wasteful number, since it uses less digits than its factorization.

12024043040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142122 (or 142091 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 12024043040 its reverse (4034042021), we get a palindrome (16058085061).

The spelling of 12024043040 in words is "twelve billion, twenty-four million, forty-three thousand, forty".