12111360 has 160 divisors (see below), whose sum is σ = 41247360. Its totient is φ = 3022848.

The previous prime is 12111349. The next prime is 12111371. The reversal of 12111360 is 6311121.

12111360 = 309² + 310² + ... + 403².

It is an interprime number because it is at equal distance from previous prime (12111349) and next prime (12111371).

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145879 + ... + 145961.

It is an arithmetic number, because the mean of its divisors is an integer number (257796).

Almost surely, 2^12111360 is an apocalyptic number.

12111360 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 12111360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20623680).

12111360 is an abundant number, since it is smaller than the sum of its proper divisors (29136000).

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

12111360 is an equidigital number, since it uses as much as digits as its factorization.

12111360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 12111360 is about 3480.1379283011. The cubic root of 12111360 is about 229.6488655922.

Adding to 12111360 its reverse (6311121), we get a palindrome (18422481).

The spelling of 12111360 in words is "twelve million, one hundred eleven thousand, three hundred sixty".