12113205334500 has 192 divisors, whose sum is σ = 36837515280384. Its totient is φ = 3087208009600.

The previous prime is 12113205334441. The next prime is 12113205334513. The reversal of 12113205334500 is 543350231121.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 42049957 + ... + 42337043.

It is an arithmetic number, because the mean of its divisors is an integer number (191862058752).

Almost surely, 2^{12113205334500} is an apocalyptic number.

12113205334500 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 12113205334500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18418757640192).

12113205334500 is an abundant number, since it is smaller than the sum of its proper divisors (24724309945884).

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

12113205334500 is a wasteful number, since it uses less digits than its factorization.

12113205334500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288355 (or 288343 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 12113205334500 its reverse (543350231121), we get a palindrome (12656555565621).

The spelling of 12113205334500 in words is "twelve trillion, one hundred thirteen billion, two hundred five million, three hundred thirty-four thousand, five hundred".