12210064025 has 6 divisors (see below), whose sum is σ = 15140479422. Its totient is φ = 9768051200.

The previous prime is 12210064021. The next prime is 12210064063. The reversal of 12210064025 is 52046001221.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1600240009 + 10609824016 = 40003^2 + 103004^2 .

It is not a de Polignac number, because 12210064025 - 2² = 12210064021 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12210064021) 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, 244201256 + ... + 244201305.

It is an arithmetic number, because the mean of its divisors is an integer number (2523413237).

Almost surely, 2^12210064025 is an apocalyptic number.

It is an amenable number.

12210064025 is a deficient number, since it is larger than the sum of its proper divisors (2930415397).

12210064025 is an equidigital number, since it uses as much as digits as its factorization.

12210064025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488402571 (or 488402566 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 12210064025 its reverse (52046001221), we get a palindrome (64256065246).

The spelling of 12210064025 in words is "twelve billion, two hundred ten million, sixty-four thousand, twenty-five".