12032685500 has 96 divisors (see below), whose sum is σ = 28953602496. Its totient is φ = 4332000000.

The previous prime is 12032685463. The next prime is 12032685517. The reversal of 12032685500 is 558623021.

Added to its reverse (558623021) it gives a square (12591308521 = 112211²).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 544670 + ... + 566330.

It is an arithmetic number, because the mean of its divisors is an integer number (301600026).

Almost surely, 2^12032685500 is an apocalyptic number.

12032685500 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 12032685500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14476801248).

12032685500 is an abundant number, since it is smaller than the sum of its proper divisors (16920916996).

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

12032685500 is a wasteful number, since it uses less digits than its factorization.

12032685500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21792 (or 21780 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 12032685500 its reverse (558623021), we get a square (12591308521 = 112211²).

The spelling of 12032685500 in words is "twelve billion, thirty-two million, six hundred eighty-five thousand, five hundred".