12111332320 has 48 divisors (see below), whose sum is σ = 28727113968. Its totient is φ = 4825216000.

The previous prime is 12111332297. The next prime is 12111332351. The reversal of 12111332320 is 2323311121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110629 + ... + 190948.

It is an arithmetic number, because the mean of its divisors is an integer number (598481541).

Almost surely, 2^12111332320 is an apocalyptic number.

12111332320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12111332320 is an abundant number, since it is smaller than the sum of its proper divisors (16615781648).

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

12111332320 is a wasteful number, since it uses less digits than its factorization.

12111332320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301843 (or 301835 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12111332320 its reverse (2323311121), we get a palindrome (14434643441).

The spelling of 12111332320 in words is "twelve billion, one hundred eleven million, three hundred thirty-two thousand, three hundred twenty".