198967012 has 12 divisors (see below), whose sum is σ = 366518320. Its totient is φ = 94247496.

The previous prime is 198967009. The next prime is 198967037. The reversal of 198967012 is 210769891.

It is a self number, because there is not a number n which added to its sum of digits gives 198967012.

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, 1308918 + ... + 1309069.

Almost surely, 2^198967012 is an apocalyptic number.

It is an amenable number.

198967012 is a deficient number, since it is larger than the sum of its proper divisors (167551308).

198967012 is a wasteful number, since it uses less digits than its factorization.

198967012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2618010 (or 2618008 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 43.

The square root of 198967012 is about 14105.5667025469. The cubic root of 198967012 is about 583.7949841761.

The spelling of 198967012 in words is "one hundred ninety-eight million, nine hundred sixty-seven thousand, twelve".