12100250 has 32 divisors (see below), whose sum is σ = 23446800. Its totient is φ = 4670400.

The previous prime is 12100247. The next prime is 12100259. The reversal of 12100250 is 5200121.

It can be written as a sum of positive squares in 8 ways, for example, as 519841 + 11580409 = 721^2 + 3403^2 .

It is not an unprimeable number, because it can be changed into a prime (12100259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6416 + ... + 8084.

Almost surely, 2^12100250 is an apocalyptic number.

12100250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12100250 is a deficient number, since it is larger than the sum of its proper divisors (11346550).

12100250 is a wasteful number, since it uses less digits than its factorization.

12100250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715 (or 1705 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 12100250 is about 3478.5413609730. The cubic root of 12100250 is about 229.5786235648.

Adding to 12100250 its reverse (5200121), we get a palindrome (17300371).

The spelling of 12100250 in words is "twelve million, one hundred thousand, two hundred fifty".