12576017328 has 80 divisors (see below), whose sum is σ = 37266471936. Its totient is φ = 3579863040.

The previous prime is 12576017327. The next prime is 12576017329. The reversal of 12576017328 is 82371067521.

It is an interprime number because it is at equal distance from previous prime (12576017327) and next prime (12576017329).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 12576017328.

It is not an unprimeable number, because it can be changed into a prime (12576017327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22000 + ... + 160112.

Almost surely, 2^12576017328 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 12576017328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18633235968).

12576017328 is an abundant number, since it is smaller than the sum of its proper divisors (24690454608).

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

12576017328 is a wasteful number, since it uses less digits than its factorization.

12576017328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138402 (or 138396 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The spelling of 12576017328 in words is "twelve billion, five hundred seventy-six million, seventeen thousand, three hundred twenty-eight".