109512000012 has 24 divisors (see below), whose sum is σ = 255565751616. Its totient is φ = 36498606928.

The previous prime is 109512000011. The next prime is 109512000019. The reversal of 109512000012 is 210000215901.

It is not an unprimeable number, because it can be changed into a prime (109512000011) 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, 589098 + ... + 752369.

It is an arithmetic number, because the mean of its divisors is an integer number (10648572984).

Almost surely, 2^109512000012 is an apocalyptic number.

109512000012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

109512000012 is an abundant number, since it is smaller than the sum of its proper divisors (146053751604).

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

109512000012 is a wasteful number, since it uses less digits than its factorization.

109512000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348277 (or 1348275 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 21.

Adding to 109512000012 its reverse (210000215901), we get a palindrome (319512215913).

The spelling of 109512000012 in words is "one hundred nine billion, five hundred twelve million, twelve", and thus it is an aban number.