12111304304 has 120 divisors (see below), whose sum is σ = 27190822176. Its totient is φ = 5211712000.

The previous prime is 12111304301. The next prime is 12111304333. The reversal of 12111304304 is 40340311121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111304301) 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, 4495982 + ... + 4498674.

Almost surely, 2^12111304304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12111304304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13595411088).

12111304304 is an abundant number, since it is smaller than the sum of its proper divisors (15079517872).

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

12111304304 is a wasteful number, since it uses less digits than its factorization.

12111304304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2847 (or 2830 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12111304304 its reverse (40340311121), we get a palindrome (52451615425).

The spelling of 12111304304 in words is "twelve billion, one hundred eleven million, three hundred four thousand, three hundred four".