195843865412 has 24 divisors (see below), whose sum is σ = 369112109016. Its totient is φ = 90384150528.

The previous prime is 195843865411. The next prime is 195843865423. The reversal of 195843865412 is 214568348591.

195843865412 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 326019136 + 195517846276 = 18056^2 + 442174^2 .

It is not an unprimeable number, because it can be changed into a prime (195843865411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 861188 + ... + 1064580.

It is an arithmetic number, because the mean of its divisors is an integer number (15379671209).

Almost surely, 2^195843865412 is an apocalyptic number.

It is an amenable number.

195843865412 is a deficient number, since it is larger than the sum of its proper divisors (173268243604).

195843865412 is a wasteful number, since it uses less digits than its factorization.

195843865412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221927 (or 221925 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 56.

The spelling of 195843865412 in words is "one hundred ninety-five billion, eight hundred forty-three million, eight hundred sixty-five thousand, four hundred twelve".