212408198 has 8 divisors (see below), whose sum is σ = 318728520. Its totient is φ = 106165360.

The previous prime is 212408179. The next prime is 212408237. The reversal of 212408198 is 891804212.

212408198 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 11948 + ... + 23823.

It is an arithmetic number, because the mean of its divisors is an integer number (39841065).

Almost surely, 2^212408198 is an apocalyptic number.

212408198 is a deficient number, since it is larger than the sum of its proper divisors (106320322).

212408198 is a wasteful number, since it uses less digits than its factorization.

212408198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38742.

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 212408198 is about 14574.2306143412. The cubic root of 212408198 is about 596.6556509242.

The spelling of 212408198 in words is "two hundred twelve million, four hundred eight thousand, one hundred ninety-eight".