12101120199 has 32 divisors (see below), whose sum is σ = 20580618240. Its totient is φ = 6883893216.

The previous prime is 12101120191. The next prime is 12101120231. The reversal of 12101120199 is 99102110121.

It is not a de Polignac number, because 12101120199 - 2³ = 12101120191 is a prime.

It is a super-2 number, since 2×12101120199² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101120191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101412 + ... + 185705.

It is an arithmetic number, because the mean of its divisors is an integer number (643144320).

Almost surely, 2^12101120199 is an apocalyptic number.

12101120199 is a deficient number, since it is larger than the sum of its proper divisors (8479498041).

12101120199 is a wasteful number, since it uses less digits than its factorization.

12101120199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287356 (or 287350 counting only the distinct ones).

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

The spelling of 12101120199 in words is "twelve billion, one hundred one million, one hundred twenty thousand, one hundred ninety-nine".