12105050 has 12 divisors (see below), whose sum is σ = 22515486. Its totient is φ = 4842000.

The previous prime is 12105043. The next prime is 12105073. The reversal of 12105050 is 5050121.

It can be written as a sum of positive squares in 3 ways, for example, as 8708401 + 3396649 = 2951^2 + 1843^2 .

It is an alternating number because its digits alternate between odd and even.

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 5 ways as a sum of consecutive naturals, for example, 121001 + ... + 121100.

Almost surely, 2^12105050 is an apocalyptic number.

12105050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12105050 is a deficient number, since it is larger than the sum of its proper divisors (10410436).

12105050 is a wasteful number, since it uses less digits than its factorization.

12105050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242113 (or 242108 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 12105050 is about 3479.2312369258. The cubic root of 12105050 is about 229.6089764283.

Adding to 12105050 its reverse (5050121), we get a palindrome (17155171).

The spelling of 12105050 in words is "twelve million, one hundred five thousand, fifty".