195612512 has 36 divisors (see below), whose sum is σ = 389192580. Its totient is φ = 96780096.

The previous prime is 195612509. The next prime is 195612533. The reversal of 195612512 is 215216591.

195612512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 515939 + ... + 516317.

It is an arithmetic number, because the mean of its divisors is an integer number (10810905).

Almost surely, 2^195612512 is an apocalyptic number.

It is an amenable number.

195612512 is a deficient number, since it is larger than the sum of its proper divisors (193580068).

195612512 is an equidigital number, since it uses as much as digits as its factorization.

195612512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643 (or 508 counting only the distinct ones).

The product of its digits is 5400, while the sum is 32.

The square root of 195612512 is about 13986.1542963032. The cubic root of 195612512 is about 580.4955257913.

The spelling of 195612512 in words is "one hundred ninety-five million, six hundred twelve thousand, five hundred twelve".