12043042340 has 96 divisors (see below), whose sum is σ = 29666020608. Its totient is φ = 4020480000.

The previous prime is 12043042331. The next prime is 12043042373. The reversal of 12043042340 is 4324034021.

12043042340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 31 ways as a sum of consecutive naturals, for example, 3447995 + ... + 3451485.

It is an arithmetic number, because the mean of its divisors is an integer number (309021048).

Almost surely, 2^12043042340 is an apocalyptic number.

12043042340 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 12043042340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14833010304).

12043042340 is an abundant number, since it is smaller than the sum of its proper divisors (17622978268).

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

12043042340 is a wasteful number, since it uses less digits than its factorization.

12043042340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4149 (or 4147 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 12043042340 its reverse (4324034021), we get a palindrome (16367076361).

The spelling of 12043042340 in words is "twelve billion, forty-three million, forty-two thousand, three hundred forty".