12040424421344 has 24 divisors (see below), whose sum is σ = 25859547905688. Its totient is φ = 5472920191360.

The previous prime is 12040424421341. The next prime is 12040424421373. The reversal of 12040424421344 is 44312442404021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12040424421341) 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 3 ways as a sum of consecutive naturals, for example, 17102875247 + ... + 17102875950.

It is an arithmetic number, because the mean of its divisors is an integer number (1077481162737).

Almost surely, 2^{12040424421344} is an apocalyptic number.

It is an amenable number.

12040424421344 is an abundant number, since it is smaller than the sum of its proper divisors (13819123484344).

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

12040424421344 is a wasteful number, since it uses less digits than its factorization.

12040424421344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34205751218 (or 34205751210 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 35.

Adding to 12040424421344 its reverse (44312442404021), we get a palindrome (56352866825365).

The spelling of 12040424421344 in words is "twelve trillion, forty billion, four hundred twenty-four million, four hundred twenty-one thousand, three hundred forty-four".