12215168 has 32 divisors (see below), whose sum is σ = 27813360. Its totient is φ = 5234688.

The previous prime is 12215167. The next prime is 12215173. The reversal of 12215168 is 86151221.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12215167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5921 + ... + 7712.

Almost surely, 2^12215168 is an apocalyptic number.

It is an amenable number.

12215168 is an abundant number, since it is smaller than the sum of its proper divisors (15598192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12215168 is an equidigital number, since it uses as much as digits as its factorization.

12215168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13654 (or 13642 counting only the distinct ones).

The product of its digits is 960, while the sum is 26.

The square root of 12215168 is about 3495.0204577370. The cubic root of 12215168 is about 230.3031164162.

Adding to 12215168 its reverse (86151221), we get a palindrome (98366389).

It can be divided in two parts, 1221 and 5168, that multiplied together give a triangular number (6310128 = T₃₅₅₂).

The spelling of 12215168 in words is "twelve million, two hundred fifteen thousand, one hundred sixty-eight".