109000012 has 48 divisors (see below), whose sum is σ = 217147392. Its totient is φ = 47436480.

The previous prime is 108999983. The next prime is 109000033. The reversal of 109000012 is 210000901.

It is a junction number, because it is equal to n+sod(n) for n = 108999956 and 109000001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99733 + ... + 100819.

It is an arithmetic number, because the mean of its divisors is an integer number (4523904).

Almost surely, 2^109000012 is an apocalyptic number.

It is an amenable number.

109000012 is a deficient number, since it is larger than the sum of its proper divisors (108147380).

109000012 is a wasteful number, since it uses less digits than its factorization.

109000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198 (or 1196 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 109000012 is about 10440.3070836063. The cubic root of 109000012 is about 477.6856356332.

Adding to 109000012 its reverse (210000901), we get a palindrome (319000913).

The spelling of 109000012 in words is "one hundred nine million, twelve", and thus it is an aban number.