12099099 has 8 divisors (see below), whose sum is σ = 16190272. Its totient is φ = 8037000.

The previous prime is 12099089. The next prime is 12099133. The reversal of 12099099 is 99099021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12099099 - 2⁷ = 12098971 is a prime.

It is a super-2 number, since 2×12099099² = 292776393223602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12099049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6277 + ... + 7974.

It is an arithmetic number, because the mean of its divisors is an integer number (2023784).

Almost surely, 2^12099099 is an apocalyptic number.

12099099 is a deficient number, since it is larger than the sum of its proper divisors (4091173).

12099099 is a wasteful number, since it uses less digits than its factorization.

12099099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14537.

The product of its (nonzero) digits is 13122, while the sum is 39.

The square root of 12099099 is about 3478.3759141300. The cubic root of 12099099 is about 229.5713440079.

The spelling of 12099099 in words is "twelve million, ninety-nine thousand, ninety-nine".