12100075 has 24 divisors (see below), whose sum is σ = 16693376. Its totient is φ = 8640000.

The previous prime is 12100069. The next prime is 12100079. The reversal of 12100075 is 57000121.

It is not a de Polignac number, because 12100075 - 2¹¹ = 12098027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12100079) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 9475 + ... + 10675.

Almost surely, 2^12100075 is an apocalyptic number.

12100075 is a deficient number, since it is larger than the sum of its proper divisors (4593301).

12100075 is a wasteful number, since it uses less digits than its factorization.

12100075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255 (or 1250 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 16.

The square root of 12100075 is about 3478.5162066605. The cubic root of 12100075 is about 229.5775167983.

Adding to 12100075 its reverse (57000121), we get a palindrome (69100196).

The spelling of 12100075 in words is "twelve million, one hundred thousand, seventy-five".