12510222 has 8 divisors (see below), whose sum is σ = 25020456. Its totient is φ = 4170072.

The previous prime is 12510217. The next prime is 12510233. The reversal of 12510222 is 22201521.

It is a sphenic number, since it is the product of 3 distinct primes.

12510222 is an admirable number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1042513 + ... + 1042524.

It is an arithmetic number, because the mean of its divisors is an integer number (3127557).

Almost surely, 2^12510222 is an apocalyptic number.

12510222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12510222 is a wasteful number, since it uses less digits than its factorization.

12510222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2085042.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 12510222 is about 3536.9792196166. The cubic root of 12510222 is about 232.1426862056.

Adding to 12510222 its reverse (22201521), we get a palindrome (34711743).

The spelling of 12510222 in words is "twelve million, five hundred ten thousand, two hundred twenty-two".