12205250 has 16 divisors (see below), whose sum is σ = 22848696. Its totient is φ = 4882000.

The previous prime is 12205247. The next prime is 12205253. The reversal of 12205250 is 5250221.

12205250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12205247) and next prime (12205253).

It can be written as a sum of positive squares in 4 ways, for example, as 5230369 + 6974881 = 2287^2 + 2641^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12205253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24161 + ... + 24660.

Almost surely, 2^12205250 is an apocalyptic number.

12205250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12205250 is a deficient number, since it is larger than the sum of its proper divisors (10643446).

12205250 is an equidigital number, since it uses as much as digits as its factorization.

12205250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48838 (or 48828 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 12205250 is about 3493.6012937941. The cubic root of 12205250 is about 230.2407686645.

Adding to 12205250 its reverse (5250221), we get a palindrome (17455471).

The spelling of 12205250 in words is "twelve million, two hundred five thousand, two hundred fifty".