12004426426 has 8 divisors (see below), whose sum is σ = 18020420640. Its totient is φ = 5997619548.

The previous prime is 12004426411. The next prime is 12004426429. The reversal of 12004426426 is 62462440021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12004426429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2293566 + ... + 2298793.

It is an arithmetic number, because the mean of its divisors is an integer number (2252552580).

Almost surely, 2^12004426426 is an apocalyptic number.

12004426426 is a deficient number, since it is larger than the sum of its proper divisors (6015994214).

12004426426 is a wasteful number, since it uses less digits than its factorization.

12004426426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4593668.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 12004426426 its reverse (62462440021), we get a palindrome (74466866447).

The spelling of 12004426426 in words is "twelve billion, four million, four hundred twenty-six thousand, four hundred twenty-six".