12432859054478 has 16 divisors (see below), whose sum is σ = 18752290529280. Its totient is φ = 6182153202456.

The previous prime is 12432859054453. The next prime is 12432859054481. The reversal of 12432859054478 is 87445095823421.

It is a self number, because there is not a number n which added to its sum of digits gives 12432859054478.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13982558 + ... + 14845121.

It is an arithmetic number, because the mean of its divisors is an integer number (1172018158080).

Almost surely, 2^{12432859054478} is an apocalyptic number.

12432859054478 is a deficient number, since it is larger than the sum of its proper divisors (6319431474802).

12432859054478 is a wasteful number, since it uses less digits than its factorization.

12432859054478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28828871.

The product of its (nonzero) digits is 77414400, while the sum is 62.

The spelling of 12432859054478 in words is "twelve trillion, four hundred thirty-two billion, eight hundred fifty-nine million, fifty-four thousand, four hundred seventy-eight".