12032723520 has 168 divisors, whose sum is σ = 41775424704. Its totient is φ = 3178656768.

The previous prime is 12032723513. The next prime is 12032723551. The reversal of 12032723520 is 2532723021.

It is a happy number.

It is a super-2 number, since 2×12032723520² (a number of 21 digits) contains 22 as substring.

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, 288637 + ... + 327683.

Almost surely, 2^12032723520 is an apocalyptic number.

12032723520 is a gapful number since it is divisible by the number (10) 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 12032723520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20887712352).

12032723520 is an abundant number, since it is smaller than the sum of its proper divisors (29742701184).

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

12032723520 is a wasteful number, since it uses less digits than its factorization.

12032723520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39177 (or 39164 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The spelling of 12032723520 in words is "twelve billion, thirty-two million, seven hundred twenty-three thousand, five hundred twenty".