12426563286 has 24 divisors (see below), whose sum is σ = 26926830840. Its totient is φ = 4141786176.

The previous prime is 12426563273. The next prime is 12426563297. The reversal of 12426563286 is 68236562421.

12426563286 is a `hidden beast` number, since 1 + 2 + 4 + 2 + 6 + 5 + 632 + 8 + 6 = 666.

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 11 ways as a sum of consecutive naturals, for example, 202206 + ... + 256398.

It is an arithmetic number, because the mean of its divisors is an integer number (1121951285).

Almost surely, 2^12426563286 is an apocalyptic number.

12426563286 is an abundant number, since it is smaller than the sum of its proper divisors (14500267554).

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

12426563286 is a wasteful number, since it uses less digits than its factorization.

12426563286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66940 (or 66937 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The spelling of 12426563286 in words is "twelve billion, four hundred twenty-six million, five hundred sixty-three thousand, two hundred eighty-six".