12144343040 has 96 divisors (see below), whose sum is σ = 30853826640. Its totient is φ = 4571922432.

The previous prime is 12144343037. The next prime is 12144343067. The reversal of 12144343040 is 4034344121.

12144343040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 139199 + ... + 208961.

Almost surely, 2^12144343040 is an apocalyptic number.

12144343040 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 12144343040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15426913320).

12144343040 is an abundant number, since it is smaller than the sum of its proper divisors (18709483600).

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

12144343040 is an equidigital number, since it uses as much as digits as its factorization.

12144343040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69807 (or 69787 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 12144343040 its reverse (4034344121), we get a palindrome (16178687161).

The spelling of 12144343040 in words is "twelve billion, one hundred forty-four million, three hundred forty-three thousand, forty".