12422851386534 has 24 divisors (see below), whose sum is σ = 26945466590640. Its totient is φ = 4136444525808.

The previous prime is 12422851386529. The next prime is 12422851386541. The reversal of 12422851386534 is 43568315822421.

12422851386534 is a `hidden beast` number, since 1 + 2 + 4 + 2 + 28 + 5 + 1 + 3 + 86 + 534 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 375477697 + ... + 375510780.

It is an arithmetic number, because the mean of its divisors is an integer number (1122727774610).

Almost surely, 2^{12422851386534} is an apocalyptic number.

12422851386534 is an abundant number, since it is smaller than the sum of its proper divisors (14522615204106).

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

12422851386534 is a wasteful number, since it uses less digits than its factorization.

12422851386534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750989404 (or 750989401 counting only the distinct ones).

The product of its digits is 11059200, while the sum is 54.

The spelling of 12422851386534 in words is "twelve trillion, four hundred twenty-two billion, eight hundred fifty-one million, three hundred eighty-six thousand, five hundred thirty-four".