197663012 has 48 divisors (see below), whose sum is σ = 390458880. Its totient is φ = 87048192.

The previous prime is 197663003. The next prime is 197663017. The reversal of 197663012 is 210366791.

It is not an unprimeable number, because it can be changed into a prime (197663017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72164 + ... + 74852.

It is an arithmetic number, because the mean of its divisors is an integer number (8134560).

Almost surely, 2^197663012 is an apocalyptic number.

It is an amenable number.

197663012 is a deficient number, since it is larger than the sum of its proper divisors (192795868).

197663012 is a wasteful number, since it uses less digits than its factorization.

197663012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2780 (or 2778 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 197663012 is about 14059.2678329990. The cubic root of 197663012 is about 582.5168194963.

The spelling of 197663012 in words is "one hundred ninety-seven million, six hundred sixty-three thousand, twelve".