12116128 has 12 divisors (see below), whose sum is σ = 23853690. Its totient is φ = 6058048.

The previous prime is 12116123. The next prime is 12116141. The reversal of 12116128 is 82161121.

It can be written as a sum of positive squares in only one way, i.e., 8832784 + 3283344 = 2972^2 + 1812^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12116099 and 12116108.

It is not an unprimeable number, because it can be changed into a prime (12116123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189283 + ... + 189346.

Almost surely, 2^12116128 is an apocalyptic number.

It is an amenable number.

12116128 is a deficient number, since it is larger than the sum of its proper divisors (11737562).

12116128 is an equidigital number, since it uses as much as digits as its factorization.

12116128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378639 (or 378631 counting only the distinct ones).

The product of its digits is 192, while the sum is 22.

The square root of 12116128 is about 3480.8228912141. The cubic root of 12116128 is about 229.6789976923.

Adding to 12116128 its reverse (82161121), we get a palindrome (94277249).

The spelling of 12116128 in words is "twelve million, one hundred sixteen thousand, one hundred twenty-eight".