12210440565 has 8 divisors (see below), whose sum is σ = 19536704928. Its totient is φ = 6512234960.

The previous prime is 12210440533. The next prime is 12210440579. The reversal of 12210440565 is 56504401221.

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

It is not a de Polignac number, because 12210440565 - 2⁵ = 12210440533 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 407014671 + ... + 407014700.

It is an arithmetic number, because the mean of its divisors is an integer number (2442088116).

Almost surely, 2^12210440565 is an apocalyptic number.

12210440565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12210440565 is a deficient number, since it is larger than the sum of its proper divisors (7326264363).

12210440565 is an equidigital number, since it uses as much as digits as its factorization.

12210440565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814029379.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 12210440565 its reverse (56504401221), we get a palindrome (68714841786).

The spelling of 12210440565 in words is "twelve billion, two hundred ten million, four hundred forty thousand, five hundred sixty-five".