12212325 has 18 divisors (see below), whose sum is σ = 21874034. Its totient is φ = 6513120.

The previous prime is 12212311. The next prime is 12212327. The reversal of 12212325 is 52321221.

12212325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 39204 + 12173121 = 198^2 + 3489^2 .

It is not a de Polignac number, because 12212325 - 2⁵ = 12212293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12212298 and 12212307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212327) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 26914 + ... + 27363.

Almost surely, 2^12212325 is an apocalyptic number.

12212325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12212325 is a deficient number, since it is larger than the sum of its proper divisors (9661709).

12212325 is a wasteful number, since it uses less digits than its factorization.

12212325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54293 (or 54285 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 12212325 is about 3494.6137125582. The cubic root of 12212325 is about 230.2852478514.

Adding to 12212325 its reverse (52321221), we get a palindrome (64533546).

The spelling of 12212325 in words is "twelve million, two hundred twelve thousand, three hundred twenty-five".