12116452099 has 4 divisors (see below), whose sum is σ = 12227612320. Its totient is φ = 12005291880.

The previous prime is 12116452093. The next prime is 12116452111. The reversal of 12116452099 is 99025461121.

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

It is a cyclic number.

It is not a de Polignac number, because 12116452099 - 2⁵ = 12116452067 is a prime.

It is a super-2 number, since 2×12116452099² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12116452093) 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, 55579947 + ... + 55580164.

It is an arithmetic number, because the mean of its divisors is an integer number (3056903080).

Almost surely, 2^12116452099 is an apocalyptic number.

12116452099 is a deficient number, since it is larger than the sum of its proper divisors (111160221).

12116452099 is a wasteful number, since it uses less digits than its factorization.

12116452099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111160220.

The product of its (nonzero) digits is 38880, while the sum is 40.

The spelling of 12116452099 in words is "twelve billion, one hundred sixteen million, four hundred fifty-two thousand, ninety-nine".