12113433200 has 120 divisors (see below), whose sum is σ = 31805809536. Its totient is φ = 4396896000.

The previous prime is 12113433173. The next prime is 12113433209. The reversal of 12113433200 is 233431121.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12113433209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2774219 + ... + 2778581.

Almost surely, 2^12113433200 is an apocalyptic number.

12113433200 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 12113433200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15902904768).

12113433200 is an abundant number, since it is smaller than the sum of its proper divisors (19692376336).

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

12113433200 is a wasteful number, since it uses less digits than its factorization.

12113433200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5023 (or 5012 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12113433200 its reverse (233431121), we get a palindrome (12346864321).

The spelling of 12113433200 in words is "twelve billion, one hundred thirteen million, four hundred thirty-three thousand, two hundred".