12162108 has 48 divisors (see below), whose sum is σ = 32931584. Its totient is φ = 3421440.

The previous prime is 12162103. The next prime is 12162113. The reversal of 12162108 is 80126121.

12162108 is digitally balanced in base 2, base 4 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12162103) and next prime (12162113).

It is a Harshad number since it is a multiple of its sum of digits (21).

12162108 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12162103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4548 + ... + 6708.

Almost surely, 2^12162108 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12162108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16465792).

12162108 is an abundant number, since it is smaller than the sum of its proper divisors (20769476).

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

12162108 is a wasteful number, since it uses less digits than its factorization.

12162108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242 (or 2240 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 12162108 is about 3487.4213969637. The cubic root of 12162108 is about 229.9691704109.

Adding to 12162108 its reverse (80126121), we get a palindrome (92288229).

The spelling of 12162108 in words is "twelve million, one hundred sixty-two thousand, one hundred eight".