12477443328 has 216 divisors, whose sum is σ = 42903788928. Its totient is φ = 3409883136.

The previous prime is 12477443309. The next prime is 12477443339. The reversal of 12477443328 is 82334477421.

12477443328 is a `hidden beast` number, since 1 + 247 + 74 + 4 + 332 + 8 = 666.

12477443328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 354126 + ... + 387762.

Almost surely, 2^12477443328 is an apocalyptic number.

12477443328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12477443328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21451894464).

12477443328 is an abundant number, since it is smaller than the sum of its proper divisors (30426345600).

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

12477443328 is a wasteful number, since it uses less digits than its factorization.

12477443328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33689 (or 33672 counting only the distinct ones).

The product of its digits is 903168, while the sum is 45.

The spelling of 12477443328 in words is "twelve billion, four hundred seventy-seven million, four hundred forty-three thousand, three hundred twenty-eight".