195012108 has 36 divisors (see below), whose sum is σ = 495302808. Its totient is φ = 64693440.

The previous prime is 195012091. The next prime is 195012109. The reversal of 195012108 is 801210591.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (195012109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5241 + ... + 20432.

Almost surely, 2^195012108 is an apocalyptic number.

195012108 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

195012108 is an abundant number, since it is smaller than the sum of its proper divisors (300290700).

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

195012108 is a wasteful number, since it uses less digits than its factorization.

195012108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25894 (or 25889 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

The square root of 195012108 is about 13964.6735729841. The cubic root of 195012108 is about 579.9010017319.

Adding to 195012108 its reverse (801210591), we get a palindrome (996222699).

It can be divided in two parts, 19501 and 2108, that added together give a square (21609 = 147²).

The spelling of 195012108 in words is "one hundred ninety-five million, twelve thousand, one hundred eight".