12111134300 has 18 divisors (see below), whose sum is σ = 26281161648. Its totient is φ = 4844453680.

The previous prime is 12111134267. The next prime is 12111134303. The reversal of 12111134300 is 343111121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111134303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60555572 + ... + 60555771.

It is an arithmetic number, because the mean of its divisors is an integer number (1460064536).

Almost surely, 2^12111134300 is an apocalyptic number.

12111134300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12111134300 is an abundant number, since it is smaller than the sum of its proper divisors (14170027348).

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

12111134300 is a wasteful number, since it uses less digits than its factorization.

12111134300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121111357 (or 121111350 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12111134300 its reverse (343111121), we get a palindrome (12454245421).

The spelling of 12111134300 in words is "twelve billion, one hundred eleven million, one hundred thirty-four thousand, three hundred".