12115110 has 64 divisors (see below), whose sum is σ = 34320384. Its totient is φ = 2678400.

The previous prime is 12115091. The next prime is 12115123. The reversal of 12115110 is 1151121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5580 + ... + 7440.

It is an arithmetic number, because the mean of its divisors is an integer number (536256).

Almost surely, 2^12115110 is an apocalyptic number.

12115110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12115110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17160192).

12115110 is an abundant number, since it is smaller than the sum of its proper divisors (22205274).

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

12115110 is a wasteful number, since it uses less digits than its factorization.

12115110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1909.

The product of its (nonzero) digits is 10, while the sum is 12.

The square root of 12115110 is about 3480.6766583525. The cubic root of 12115110 is about 229.6725649505.

Adding to 12115110 its reverse (1151121), we get a palindrome (13266231).

The spelling of 12115110 in words is "twelve million, one hundred fifteen thousand, one hundred ten".