9912112199 has 8 divisors (see below), whose sum is σ = 10814738448. Its totient is φ = 9009740160.

The previous prime is 9912112187. The next prime is 9912112201.

9912112199 is nontrivially palindromic in base 10.

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 9912112199 - 2¹² = 9912108103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9912118199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23129 + ... + 142685.

It is an arithmetic number, because the mean of its divisors is an integer number (1351842306).

Almost surely, 2^9912112199 is an apocalyptic number.

9912112199 is a deficient number, since it is larger than the sum of its proper divisors (902626249).

9912112199 is a wasteful number, since it uses less digits than its factorization.

9912112199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127105.

The product of its digits is 26244, while the sum is 44.

The square root of 9912112199 is about 99559.5911954243. The cubic root of 9912112199 is about 2148.1044911670.

The spelling of 9912112199 in words is "nine billion, nine hundred twelve million, one hundred twelve thousand, one hundred ninety-nine".