12111112311300 has 432 divisors, whose sum is σ = 39812226854400. Its totient is φ = 3075708672000.

The previous prime is 12111112311299. The next prime is 12111112311359. The reversal of 12111112311300 is 311321111121.

12111112311300 is a `hidden beast` number, since 1 + 21 + 1 + 111 + 231 + 1 + 300 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 938912251 + ... + 938925149.

Almost surely, 2^{12111112311300} is an apocalyptic number.

12111112311300 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 12111112311300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19906113427200).

12111112311300 is an abundant number, since it is smaller than the sum of its proper divisors (27701114543100).

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

12111112311300 is a wasteful number, since it uses less digits than its factorization.

12111112311300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13484 (or 13474 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 12111112311300 its reverse (311321111121), we get a palindrome (12422433422421).

The spelling of 12111112311300 in words is "twelve trillion, one hundred eleven billion, one hundred twelve million, three hundred eleven thousand, three hundred".