12100032000 has 480 divisors, whose sum is σ = 49824650304. Its totient is φ = 2764800000.

The previous prime is 12100031929. The next prime is 12100032001. The reversal of 12100032000 is 23000121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100032001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4030500 + ... + 4033500.

Almost surely, 2^12100032000 is an apocalyptic number.

12100032000 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 12100032000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24912325152).

12100032000 is an abundant number, since it is smaller than the sum of its proper divisors (37724618304).

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

12100032000 is an equidigital number, since it uses as much as digits as its factorization.

12100032000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3047 (or 3018 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 12100032000 its reverse (23000121), we get a palindrome (12123032121).

The spelling of 12100032000 in words is "twelve billion, one hundred million, thirty-two thousand".