12108099 has 4 divisors (see below), whose sum is σ = 16144136. Its totient is φ = 8072064.

The previous prime is 12108091. The next prime is 12108113. The reversal of 12108099 is 99080121.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12108099 - 2³ = 12108091 is a prime.

It is a super-2 number, since 2×12108099² = 293212122787602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12108091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2018014 + ... + 2018019.

It is an arithmetic number, because the mean of its divisors is an integer number (4036034).

Almost surely, 2^12108099 is an apocalyptic number.

12108099 is a deficient number, since it is larger than the sum of its proper divisors (4036037).

12108099 is an equidigital number, since it uses as much as digits as its factorization.

12108099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4036036.

The product of its (nonzero) digits is 1296, while the sum is 30.

The square root of 12108099 is about 3479.6693808464. The cubic root of 12108099 is about 229.6282526533.

The spelling of 12108099 in words is "twelve million, one hundred eight thousand, ninety-nine".