195072012 has 72 divisors (see below), whose sum is σ = 528942960. Its totient is φ = 60428160.

The previous prime is 195072011. The next prime is 195072061. The reversal of 195072012 is 210270591.

It is not an unprimeable number, because it can be changed into a prime (195072011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33562 + ... + 38942.

It is an arithmetic number, because the mean of its divisors is an integer number (7346430).

Almost surely, 2^195072012 is an apocalyptic number.

195072012 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 195072012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264471480).

195072012 is an abundant number, since it is smaller than the sum of its proper divisors (333870948).

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

195072012 is a wasteful number, since it uses less digits than its factorization.

195072012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5463 (or 5458 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 195072012 is about 13966.8182489785. The cubic root of 195072012 is about 579.9603738286.

The spelling of 195072012 in words is "one hundred ninety-five million, seventy-two thousand, twelve".