108120012 has 96 divisors (see below), whose sum is σ = 338763264. Its totient is φ = 25920000.

The previous prime is 108120011. The next prime is 108120029. The reversal of 108120012 is 210021801.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 108119973 and 108120000.

It is not an unprimeable number, because it can be changed into a prime (108120011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7512 + ... + 16512.

It is an arithmetic number, because the mean of its divisors is an integer number (3528784).

Almost surely, 2^108120012 is an apocalyptic number.

108120012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108120012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169381632).

108120012 is an abundant number, since it is smaller than the sum of its proper divisors (230643252).

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

108120012 is a wasteful number, since it uses less digits than its factorization.

108120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9039 (or 9037 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 108120012 is about 10398.0773222745. The cubic root of 108120012 is about 476.3966458250.

Adding to 108120012 its reverse (210021801), we get a palindrome (318141813).

The spelling of 108120012 in words is "one hundred eight million, one hundred twenty thousand, twelve".