105550012 has 12 divisors (see below), whose sum is σ = 185819760. Its totient is φ = 52458656.

The previous prime is 105549989. The next prime is 105550037. The reversal of 105550012 is 210055501.

It is a super-2 number, since 2×105550012² = 22281610066400288, which contains 22 as substring.

It is a congruent number.

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, 78337 + ... + 79672.

It is an arithmetic number, because the mean of its divisors is an integer number (15484980).

Almost surely, 2^105550012 is an apocalyptic number.

It is an amenable number.

105550012 is a deficient number, since it is larger than the sum of its proper divisors (80269748).

105550012 is a wasteful number, since it uses less digits than its factorization.

105550012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158180 (or 158178 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 105550012 is about 10273.7535497013. The cubic root of 105550012 is about 472.5917062091.

The spelling of 105550012 in words is "one hundred five million, five hundred fifty thousand, twelve".