12099123 has 6 divisors (see below), whose sum is σ = 17476524. Its totient is φ = 8066076.

The previous prime is 12099089. The next prime is 12099133. The reversal of 12099123 is 32199021.

It is not a de Polignac number, because 12099123 - 2¹³ = 12090931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12099133) 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 5 ways as a sum of consecutive naturals, for example, 672165 + ... + 672182.

It is an arithmetic number, because the mean of its divisors is an integer number (2912754).

Almost surely, 2^12099123 is an apocalyptic number.

12099123 is a deficient number, since it is larger than the sum of its proper divisors (5377401).

12099123 is a wasteful number, since it uses less digits than its factorization.

12099123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344353 (or 1344350 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 12099123 is about 3478.3793640142. The cubic root of 12099123 is about 229.5714958018.

The spelling of 12099123 in words is "twelve million, ninety-nine thousand, one hundred twenty-three".