12040423143344 has 160 divisors (see below), whose sum is σ = 24564240288000. Its totient is φ = 5715669712896.

The previous prime is 12040423143341. The next prime is 12040423143403. The reversal of 12040423143344 is 44334132404021.

It is not an unprimeable number, because it can be changed into a prime (12040423143341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5698258832 + ... + 5698260944.

It is an arithmetic number, because the mean of its divisors is an integer number (153526501800).

Almost surely, 2^{12040423143344} is an apocalyptic number.

It is an amenable number.

12040423143344 is an abundant number, since it is smaller than the sum of its proper divisors (12523817144656).

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

12040423143344 is an frugal number, since it uses more digits than its factorization.

12040423143344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2400 (or 2320 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 12040423143344 its reverse (44334132404021), we get a palindrome (56374555547365).

The spelling of 12040423143344 in words is "twelve trillion, forty billion, four hundred twenty-three million, one hundred forty-three thousand, three hundred forty-four".