197318212 has 24 divisors (see below), whose sum is σ = 424993856. Its totient is φ = 78059808.

The previous prime is 197318203. The next prime is 197318237. The reversal of 197318212 is 212813791.

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 7 ways as a sum of consecutive naturals, for example, 270678 + ... + 271405.

Almost surely, 2^197318212 is an apocalyptic number.

It is an amenable number.

197318212 is an abundant number, since it is smaller than the sum of its proper divisors (227675644).

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

197318212 is a wasteful number, since it uses less digits than its factorization.

197318212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542107 (or 542105 counting only the distinct ones).

The product of its digits is 6048, while the sum is 34.

The square root of 197318212 is about 14047.0001067844. Note that the first 3 decimals coincide. The cubic root of 197318212 is about 582.1779115436.

The spelling of 197318212 in words is "one hundred ninety-seven million, three hundred eighteen thousand, two hundred twelve".