12911719232 has 168 divisors, whose sum is σ = 28683694728. Its totient is φ = 5744394240.

The previous prime is 12911719217. The next prime is 12911719253. The reversal of 12911719232 is 23291711921.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2922916096 + 9988803136 = 54064^2 + 99944^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55414988 + ... + 55415220.

Almost surely, 2^12911719232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12911719232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14341847364).

12911719232 is an abundant number, since it is smaller than the sum of its proper divisors (15771975496).

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

12911719232 is a wasteful number, since it uses less digits than its factorization.

12911719232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377 (or 336 counting only the distinct ones).

The product of its digits is 13608, while the sum is 38.

The spelling of 12911719232 in words is "twelve billion, nine hundred eleven million, seven hundred nineteen thousand, two hundred thirty-two".