12225214225 has 48 divisors (see below), whose sum is σ = 17590231296. Its totient is φ = 8255520000.

The previous prime is 12225214223. The next prime is 12225214231. The reversal of 12225214225 is 52241252221.

It is not a de Polignac number, because 12225214225 - 2¹ = 12225214223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12225214193 and 12225214202.

It is not an unprimeable number, because it can be changed into a prime (12225214223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3480220 + ... + 3483730.

It is an arithmetic number, because the mean of its divisors is an integer number (366463152).

Almost surely, 2^12225214225 is an apocalyptic number.

It is an amenable number.

12225214225 is a deficient number, since it is larger than the sum of its proper divisors (5365017071).

12225214225 is a wasteful number, since it uses less digits than its factorization.

12225214225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3826 (or 3821 counting only the distinct ones).

The product of its digits is 6400, while the sum is 28.

Adding to 12225214225 its reverse (52241252221), we get a palindrome (64466466446).

The spelling of 12225214225 in words is "twelve billion, two hundred twenty-five million, two hundred fourteen thousand, two hundred twenty-five".