12123203099 has 8 divisors (see below), whose sum is σ = 14584304640. Its totient is φ = 9844405416.

The previous prime is 12123203017. The next prime is 12123203107. The reversal of 12123203099 is 99030232121.

12123203099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12123203099 - 2²⁸ = 11854767643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12123203299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45575819 + ... + 45576084.

It is an arithmetic number, because the mean of its divisors is an integer number (1823038080).

Almost surely, 2^12123203099 is an apocalyptic number.

12123203099 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12123203099 is a deficient number, since it is larger than the sum of its proper divisors (2461101541).

12123203099 is an equidigital number, since it uses as much as digits as its factorization.

12123203099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91151929.

The product of its (nonzero) digits is 5832, while the sum is 32.

The spelling of 12123203099 in words is "twelve billion, one hundred twenty-three million, two hundred three thousand, ninety-nine".