12112320195 has 48 divisors (see below), whose sum is σ = 21500450400. Its totient is φ = 6304531968.

The previous prime is 12112320173. The next prime is 12112320239. The reversal of 12112320195 is 59102321121.

It is not a de Polignac number, because 12112320195 - 2⁶ = 12112320131 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3971031 + ... + 3974079.

It is an arithmetic number, because the mean of its divisors is an integer number (447926050).

Almost surely, 2^12112320195 is an apocalyptic number.

12112320195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12112320195 is a deficient number, since it is larger than the sum of its proper divisors (9388130205).

12112320195 is a wasteful number, since it uses less digits than its factorization.

12112320195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5156 (or 5153 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The spelling of 12112320195 in words is "twelve billion, one hundred twelve million, three hundred twenty thousand, one hundred ninety-five".