12859520832 has 168 divisors, whose sum is σ = 37968403616. Its totient is φ = 4158895104.

The previous prime is 12859520819. The next prime is 12859520867. The reversal of 12859520832 is 23802595821.

12859520832 is a `hidden beast` number, since 1 + 2 + 8 + 595 + 20 + 8 + 32 = 666.

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, 3886923 + ... + 3890229.

Almost surely, 2^12859520832 is an apocalyptic number.

12859520832 is a gapful number since it is divisible by the number (12) 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 12859520832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18984201808).

12859520832 is an abundant number, since it is smaller than the sum of its proper divisors (25108882784).

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

12859520832 is a wasteful number, since it uses less digits than its factorization.

12859520832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3525 (or 3512 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 12859520832 in words is "twelve billion, eight hundred fifty-nine million, five hundred twenty thousand, eight hundred thirty-two".