105198212 has 24 divisors (see below), whose sum is σ = 221471040. Its totient is φ = 42711840.

The previous prime is 105198209. The next prime is 105198259. The reversal of 105198212 is 212891501.

It is a super-2 number, since 2×105198212² = 22133327615993888, which contains 22 as substring.

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, 98339 + ... + 99402.

It is an arithmetic number, because the mean of its divisors is an integer number (9227960).

Almost surely, 2^105198212 is an apocalyptic number.

It is an amenable number.

105198212 is an abundant number, since it is smaller than the sum of its proper divisors (116272828).

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

105198212 is a wasteful number, since it uses less digits than its factorization.

105198212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197771 (or 197769 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 105198212 is about 10256.6179611020. The cubic root of 105198212 is about 472.0660697037.

The spelling of 105198212 in words is "one hundred five million, one hundred ninety-eight thousand, two hundred twelve".