12111016 has 16 divisors (see below), whose sum is σ = 22996800. Its totient is φ = 5978544.

The previous prime is 12110971. The next prime is 12111017. The reversal of 12111016 is 61011121.

It is a junction number, because it is equal to n+sod(n) for n = 12110987 and 12111005.

It is not an unprimeable number, because it can be changed into a prime (12111017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8950 + ... + 10213.

It is an arithmetic number, because the mean of its divisors is an integer number (1437300).

Almost surely, 2^12111016 is an apocalyptic number.

It is an amenable number.

12111016 is a deficient number, since it is larger than the sum of its proper divisors (10885784).

12111016 is a wasteful number, since it uses less digits than its factorization.

12111016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19248 (or 19244 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 12111016 is about 3480.0885046217. The cubic root of 12111016 is about 229.6466913261.

Adding to 12111016 its reverse (61011121), we get a palindrome (73122137).

The spelling of 12111016 in words is "twelve million, one hundred eleven thousand, sixteen".