12200220044605 has 4 divisors (see below), whose sum is σ = 14640264053532. Its totient is φ = 9760176035680.

The previous prime is 12200220044599. The next prime is 12200220044729. The reversal of 12200220044605 is 50644002200221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3033821953369 + 9166398091236 = 1741787^2 + 3027606^2 .

It is not a de Polignac number, because 12200220044605 - 2¹³ = 12200220036413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1220022004456 + ... + 1220022004465.

It is an arithmetic number, because the mean of its divisors is an integer number (3660066013383).

Almost surely, 2^{12200220044605} is an apocalyptic number.

It is an amenable number.

12200220044605 is a deficient number, since it is larger than the sum of its proper divisors (2440044008927).

12200220044605 is an equidigital number, since it uses as much as digits as its factorization.

12200220044605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2440044008926.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 12200220044605 its reverse (50644002200221), we get a palindrome (62844222244826).

The spelling of 12200220044605 in words is "twelve trillion, two hundred billion, two hundred twenty million, forty-four thousand, six hundred five".