105455212 has 12 divisors (see below), whose sum is σ = 186000640. Its totient is φ = 52312176.

The previous prime is 105455209. The next prime is 105455227. The reversal of 105455212 is 212554501.

It is a super-2 number, since 2×105455212² = 22241603475929888, which contains 22 as substring.

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, 103287 + ... + 104302.

Almost surely, 2^105455212 is an apocalyptic number.

It is an amenable number.

105455212 is a deficient number, since it is larger than the sum of its proper divisors (80545428).

105455212 is a wasteful number, since it uses less digits than its factorization.

105455212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207720 (or 207718 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 105455212 is about 10269.1388149153. The cubic root of 105455212 is about 472.4501773657.

The spelling of 105455212 in words is "one hundred five million, four hundred fifty-five thousand, two hundred twelve".