12116522 has 16 divisors (see below), whose sum is σ = 19913472. Its totient is φ = 5483520.

The previous prime is 12116521. The next prime is 12116527. The reversal of 12116522 is 22561121.

It is a junction number, because it is equal to n+sod(n) for n = 12116494 and 12116503.

It is not an unprimeable number, because it can be changed into a prime (12116521) 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 7 ways as a sum of consecutive naturals, for example, 4583 + ... + 6725.

It is an arithmetic number, because the mean of its divisors is an integer number (1244592).

Almost surely, 2^12116522 is an apocalyptic number.

12116522 is a deficient number, since it is larger than the sum of its proper divisors (7796950).

12116522 is a wasteful number, since it uses less digits than its factorization.

12116522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2413.

The product of its digits is 240, while the sum is 20.

The square root of 12116522 is about 3480.8794865666. The cubic root of 12116522 is about 229.6814872815.

Adding to 12116522 its reverse (22561121), we get a palindrome (34677643).

The spelling of 12116522 in words is "twelve million, one hundred sixteen thousand, five hundred twenty-two".