12442351323424 has 48 divisors (see below), whose sum is σ = 26746701823296. Its totient is φ = 5650550841600.

The previous prime is 12442351323421. The next prime is 12442351323499. The reversal of 12442351323424 is 42432315324421.

It is not an unprimeable number, because it can be changed into a prime (12442351323421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15429372 + ... + 16215739.

It is an arithmetic number, because the mean of its divisors is an integer number (557222954652).

Almost surely, 2^{12442351323424} is an apocalyptic number.

It is an amenable number.

12442351323424 is an abundant number, since it is smaller than the sum of its proper divisors (14304350499872).

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

12442351323424 is a wasteful number, since it uses less digits than its factorization.

12442351323424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31646249 (or 31646241 counting only the distinct ones).

The product of its digits is 552960, while the sum is 40.

Adding to 12442351323424 its reverse (42432315324421), we get a palindrome (54874666647845).

The spelling of 12442351323424 in words is "twelve trillion, four hundred forty-two billion, three hundred fifty-one million, three hundred twenty-three thousand, four hundred twenty-four".