12045580032 has 72 divisors (see below), whose sum is σ = 32255824384. Its totient is φ = 3990518784.

The previous prime is 12045579971. The next prime is 12045580087. The reversal of 12045580032 is 23008554021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77073 + ... + 173295.

Almost surely, 2^12045580032 is an apocalyptic number.

12045580032 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 12045580032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16127912192).

12045580032 is an abundant number, since it is smaller than the sum of its proper divisors (20210244352).

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

12045580032 is an equidigital number, since it uses as much as digits as its factorization.

12045580032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96405 (or 96391 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 12045580032 in words is "twelve billion, forty-five million, five hundred eighty thousand, thirty-two".