198214512 has 40 divisors (see below), whose sum is σ = 520740480. Its totient is φ = 64950720.

The previous prime is 198214487. The next prime is 198214537. The reversal of 198214512 is 215412891.

198214512 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (198214487) and next prime (198214537).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32164 + ... + 37827.

It is an arithmetic number, because the mean of its divisors is an integer number (13018512).

Almost surely, 2^198214512 is an apocalyptic number.

198214512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

198214512 is an abundant number, since it is smaller than the sum of its proper divisors (322525968).

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

198214512 is a wasteful number, since it uses less digits than its factorization.

198214512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70061 (or 70055 counting only the distinct ones).

The product of its digits is 5760, while the sum is 33.

The square root of 198214512 is about 14078.8675680965. The cubic root of 198214512 is about 583.0580769021.

The spelling of 198214512 in words is "one hundred ninety-eight million, two hundred fourteen thousand, five hundred twelve".