195152412 has 144 divisors (see below), whose sum is σ = 575527680. Its totient is φ = 50379264.

The previous prime is 195152389. The next prime is 195152443. The reversal of 195152412 is 214251591.

It is a self number, because there is not a number n which added to its sum of digits gives 195152412.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 837448 + ... + 837680.

It is an arithmetic number, because the mean of its divisors is an integer number (3996720).

Almost surely, 2^195152412 is an apocalyptic number.

195152412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195152412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287763840).

195152412 is an abundant number, since it is smaller than the sum of its proper divisors (380375268).

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

195152412 is a wasteful number, since it uses less digits than its factorization.

195152412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332 (or 317 counting only the distinct ones).

The product of its digits is 3600, while the sum is 30.

The square root of 195152412 is about 13969.6962028528. The cubic root of 195152412 is about 580.0400408346.

The spelling of 195152412 in words is "one hundred ninety-five million, one hundred fifty-two thousand, four hundred twelve".