195603012 has 120 divisors (see below), whose sum is σ = 566419392. Its totient is φ = 58363200.

The previous prime is 195602993. The next prime is 195603013. The reversal of 195603012 is 210306591.

195603012 is digitally balanced in base 3, 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 (27).

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (195603013) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 252658 + ... + 253430.

Almost surely, 2^195603012 is an apocalyptic number.

195603012 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 195603012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283209696).

195603012 is an abundant number, since it is smaller than the sum of its proper divisors (370816380).

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

195603012 is a wasteful number, since it uses less digits than its factorization.

195603012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871 (or 860 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 195603012 is about 13985.8146705868. The cubic root of 195603012 is about 580.4861283066.

The spelling of 195603012 in words is "one hundred ninety-five million, six hundred three thousand, twelve".