12858679542 has 16 divisors (see below), whose sum is σ = 25812260352. Its totient is φ = 4270409640.

The previous prime is 12858679513. The next prime is 12858679543. The reversal of 12858679542 is 24597685821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12858679543) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3952458 + ... + 3955709.

It is an arithmetic number, because the mean of its divisors is an integer number (1613266272).

Almost surely, 2^12858679542 is an apocalyptic number.

12858679542 is an abundant number, since it is smaller than the sum of its proper divisors (12953580810).

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

12858679542 is a wasteful number, since it uses less digits than its factorization.

12858679542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7908443.

The product of its digits is 9676800, while the sum is 57.

The spelling of 12858679542 in words is "twelve billion, eight hundred fifty-eight million, six hundred seventy-nine thousand, five hundred forty-two".