12120110199 has 24 divisors (see below), whose sum is σ = 18290499552. Its totient is φ = 7719243840.

The previous prime is 12120110183. The next prime is 12120110201. The reversal of 12120110199 is 99101102121.

It is not a de Polignac number, because 12120110199 - 2⁴ = 12120110183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120110399) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134289 + ... + 205605.

It is an arithmetic number, because the mean of its divisors is an integer number (762104148).

Almost surely, 2^12120110199 is an apocalyptic number.

12120110199 is a deficient number, since it is larger than the sum of its proper divisors (6170389353).

12120110199 is a wasteful number, since it uses less digits than its factorization.

12120110199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72167 (or 72164 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 27.

The spelling of 12120110199 in words is "twelve billion, one hundred twenty million, one hundred ten thousand, one hundred ninety-nine".