12011116 has 24 divisors (see below), whose sum is σ = 23829680. Its totient is φ = 5251392.

The previous prime is 12011113. The next prime is 12011117. The reversal of 12011116 is 61111021.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 12011096 and 12011105.

It is not an unprimeable number, because it can be changed into a prime (12011113) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5091 + ... + 7066.

Almost surely, 2^12011116 is an apocalyptic number.

It is an amenable number.

12011116 is a deficient number, since it is larger than the sum of its proper divisors (11818564).

12011116 is a wasteful number, since it uses less digits than its factorization.

12011116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12193 (or 12191 counting only the distinct ones).

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

The square root of 12011116 is about 3465.7057001425. The cubic root of 12011116 is about 229.0135191576.

Adding to 12011116 its reverse (61111021), we get a palindrome (73122137).

It can be divided in two parts, 120 and 11116, that added together give a square (11236 = 106²).

The spelling of 12011116 in words is "twelve million, eleven thousand, one hundred sixteen".