195081872612 has 24 divisors (see below), whose sum is σ = 373443853440. Its totient is φ = 88431953760.

The previous prime is 195081872611. The next prime is 195081872653. The reversal of 195081872612 is 216278180591.

195081872612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (195081872611) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6024287 + ... + 6056582.

It is an arithmetic number, because the mean of its divisors is an integer number (15560160560).

Almost surely, 2^195081872612 is an apocalyptic number.

It is an amenable number.

195081872612 is a deficient number, since it is larger than the sum of its proper divisors (178361980828).

195081872612 is a wasteful number, since it uses less digits than its factorization.

195081872612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12081251 (or 12081249 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 50.

The spelling of 195081872612 in words is "one hundred ninety-five billion, eighty-one million, eight hundred seventy-two thousand, six hundred twelve".