197801212 has 12 divisors (see below), whose sum is σ = 395602480. Its totient is φ = 84771936.

The previous prime is 197801209. The next prime is 197801231. The reversal of 197801212 is 212108791.

197801212 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3532137 + ... + 3532192.

Almost surely, 2^197801212 is an apocalyptic number.

It is an amenable number.

197801212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

197801212 is a wasteful number, since it uses less digits than its factorization.

197801212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7064340 (or 7064338 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 31.

The square root of 197801212 is about 14064.1818816453. The cubic root of 197801212 is about 582.6525472499.

The spelling of 197801212 in words is "one hundred ninety-seven million, eight hundred one thousand, two hundred twelve".