12281020195 has 8 divisors (see below), whose sum is σ = 15245404560. Its totient is φ = 9486029280.

The previous prime is 12281020163. The next prime is 12281020207. The reversal of 12281020195 is 59102018221.

12281020195 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12281020195 - 2⁵ = 12281020163 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42348201 + ... + 42348490.

It is an arithmetic number, because the mean of its divisors is an integer number (1905675570).

Almost surely, 2^12281020195 is an apocalyptic number.

12281020195 is a deficient number, since it is larger than the sum of its proper divisors (2964384365).

12281020195 is an equidigital number, since it uses as much as digits as its factorization.

12281020195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84696725.

The product of its (nonzero) digits is 2880, while the sum is 31.

The spelling of 12281020195 in words is "twelve billion, two hundred eighty-one million, twenty thousand, one hundred ninety-five".