12427864834 has 32 divisors (see below), whose sum is σ = 23247129600. Its totient is φ = 4840898640.

The previous prime is 12427864811. The next prime is 12427864847. The reversal of 12427864834 is 43846872421.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1019427 + ... + 1031545.

It is an arithmetic number, because the mean of its divisors is an integer number (726472800).

Almost surely, 2^12427864834 is an apocalyptic number.

12427864834 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12427864834 is a deficient number, since it is larger than the sum of its proper divisors (10819264766).

12427864834 is a wasteful number, since it uses less digits than its factorization.

12427864834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18798.

The product of its digits is 2064384, while the sum is 49.

The spelling of 12427864834 in words is "twelve billion, four hundred twenty-seven million, eight hundred sixty-four thousand, eight hundred thirty-four".