12726224832 has 28 divisors (see below), whose sum is σ = 33671470376. Its totient is φ = 4242074880.

The previous prime is 12726224809. The next prime is 12726224839. The reversal of 12726224832 is 23842262721.

12726224832 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12726224832² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12726224839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33141019 + ... + 33141402.

Almost surely, 2^12726224832 is an apocalyptic number.

12726224832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12726224832 is an abundant number, since it is smaller than the sum of its proper divisors (20945245544).

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

12726224832 is an equidigital number, since it uses as much as digits as its factorization.

12726224832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66282436 (or 66282426 counting only the distinct ones).

The product of its digits is 129024, while the sum is 39.

The spelling of 12726224832 in words is "twelve billion, seven hundred twenty-six million, two hundred twenty-four thousand, eight hundred thirty-two".