12032111200 has 72 divisors (see below), whose sum is σ = 29408383368. Its totient is φ = 4807111680.

The previous prime is 12032111101. The next prime is 12032111219. The reversal of 12032111200 is 211123021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 697884 + ... + 714916.

It is an arithmetic number, because the mean of its divisors is an integer number (408449769).

Almost surely, 2^12032111200 is an apocalyptic number.

12032111200 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 12032111200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14704191684).

12032111200 is an abundant number, since it is smaller than the sum of its proper divisors (17376272168).

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

12032111200 is a wasteful number, since it uses less digits than its factorization.

12032111200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17936 (or 17923 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12032111200 its reverse (211123021), we get a palindrome (12243234221).

The spelling of 12032111200 in words is "twelve billion, thirty-two million, one hundred eleven thousand, two hundred".