12121168 has 20 divisors (see below), whose sum is σ = 23668128. Its totient is φ = 6013280.

The previous prime is 12121157. The next prime is 12121211. The reversal of 12121168 is 86112121.

It is a congruent number.

It is an unprimeable number.

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, 796 + ... + 4987.

Almost surely, 2^12121168 is an apocalyptic number.

It is an amenable number.

12121168 is a deficient number, since it is larger than the sum of its proper divisors (11546960).

12121168 is a wasteful number, since it uses less digits than its factorization.

12121168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5922 (or 5916 counting only the distinct ones).

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

The square root of 12121168 is about 3481.5467826815. The cubic root of 12121168 is about 229.7108401444.

Adding to 12121168 its reverse (86112121), we get a palindrome (98233289).

The spelling of 12121168 in words is "twelve million, one hundred twenty-one thousand, one hundred sixty-eight".