12732061888 has 112 divisors (see below), whose sum is σ = 31471453440. Its totient is φ = 4975985664.

The previous prime is 12732061879. The next prime is 12732061913. The reversal of 12732061888 is 88816023721.

It is a tau number, because it is divible by the number of its divisors (112).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 470223 + ... + 496561.

It is an arithmetic number, because the mean of its divisors is an integer number (280995120).

Almost surely, 2^12732061888 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 12732061888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15735726720).

12732061888 is an abundant number, since it is smaller than the sum of its proper divisors (18739391552).

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

12732061888 is a wasteful number, since it uses less digits than its factorization.

12732061888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26454 (or 26444 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 46.

The spelling of 12732061888 in words is "twelve billion, seven hundred thirty-two million, sixty-one thousand, eight hundred eighty-eight".