12426559884 has 36 divisors (see below), whose sum is σ = 31449097680. Its totient is φ = 4137239520.

The previous prime is 12426559843. The next prime is 12426559897. The reversal of 12426559884 is 48895562421.

12426559884 is a `hidden beast` number, since 1 + 2 + 4 + 2 + 6 + 559 + 8 + 84 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 12426559884.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175507 + ... + 235914.

Almost surely, 2^12426559884 is an apocalyptic number.

It is an amenable number.

12426559884 is an abundant number, since it is smaller than the sum of its proper divisors (19022537796).

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

12426559884 is a wasteful number, since it uses less digits than its factorization.

12426559884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412270 (or 412265 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 54.

The spelling of 12426559884 in words is "twelve billion, four hundred twenty-six million, five hundred fifty-nine thousand, eight hundred eighty-four".