12108612 has 24 divisors (see below), whose sum is σ = 28943712. Its totient is φ = 3937600.

The previous prime is 12108611. The next prime is 12108617. The reversal of 12108612 is 21680121.

It is not an unprimeable number, because it can be changed into a prime (12108611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11814 + ... + 12797.

It is an arithmetic number, because the mean of its divisors is an integer number (1205988).

Almost surely, 2^12108612 is an apocalyptic number.

12108612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12108612 is an abundant number, since it is smaller than the sum of its proper divisors (16835100).

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

12108612 is a wasteful number, since it uses less digits than its factorization.

12108612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24659 (or 24657 counting only the distinct ones).

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

The square root of 12108612 is about 3479.7430939654. The cubic root of 12108612 is about 229.6314955964.

Adding to 12108612 its reverse (21680121), we get a palindrome (33788733).

It can be divided in two parts, 12108 and 612, that added together give a triangular number (12720 = T₁₅₉).

The spelling of 12108612 in words is "twelve million, one hundred eight thousand, six hundred twelve".