195559512612 has 12 divisors (see below), whose sum is σ = 456305529456. Its totient is φ = 65186504200.

The previous prime is 195559512527. The next prime is 195559512623. The reversal of 195559512612 is 216215955591.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8148313014 + ... + 8148313037.

It is an arithmetic number, because the mean of its divisors is an integer number (38025460788).

Almost surely, 2^195559512612 is an apocalyptic number.

195559512612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

195559512612 is an abundant number, since it is smaller than the sum of its proper divisors (260746016844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

195559512612 is a wasteful number, since it uses less digits than its factorization.

195559512612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16296626058 (or 16296626056 counting only the distinct ones).

The product of its digits is 1215000, while the sum is 51.

The spelling of 195559512612 in words is "one hundred ninety-five billion, five hundred fifty-nine million, five hundred twelve thousand, six hundred twelve".