12117299358 has 8 divisors (see below), whose sum is σ = 24234598728. Its totient is φ = 4039099784.

The previous prime is 12117299353. The next prime is 12117299377. The reversal of 12117299358 is 85399271121.

It is a happy number.

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

12117299358 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12117299353) 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, 1009774941 + ... + 1009774952.

It is an arithmetic number, because the mean of its divisors is an integer number (3029324841).

Almost surely, 2^12117299358 is an apocalyptic number.

12117299358 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12117299358 is a wasteful number, since it uses less digits than its factorization.

12117299358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019549898.

The product of its digits is 272160, while the sum is 48.

The spelling of 12117299358 in words is "twelve billion, one hundred seventeen million, two hundred ninety-nine thousand, three hundred fifty-eight".