12210200225 has 6 divisors (see below), whose sum is σ = 15140648310. Its totient is φ = 9768160160.

The previous prime is 12210200179. The next prime is 12210200227. The reversal of 12210200225 is 52200201221.

It can be written as a sum of positive squares in 3 ways, for example, as 887324944 + 11322875281 = 29788^2 + 106409^2 .

It is not a de Polignac number, because 12210200225 - 2²⁰ = 12209151649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12210200227) 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 5 ways as a sum of consecutive naturals, for example, 244203980 + ... + 244204029.

It is an arithmetic number, because the mean of its divisors is an integer number (2523441385).

Almost surely, 2^12210200225 is an apocalyptic number.

It is an amenable number.

12210200225 is a deficient number, since it is larger than the sum of its proper divisors (2930448085).

12210200225 is an equidigital number, since it uses as much as digits as its factorization.

12210200225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488408019 (or 488408014 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 12210200225 its reverse (52200201221), we get a palindrome (64410401446).

The spelling of 12210200225 in words is "twelve billion, two hundred ten million, two hundred thousand, two hundred twenty-five".