12200122105 has 4 divisors (see below), whose sum is σ = 14640146532. Its totient is φ = 9760097680.

The previous prime is 12200122079. The next prime is 12200122117. The reversal of 12200122105 is 50122100221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50122100221 = 4789 ⋅10466089.

It can be written as a sum of positive squares in 2 ways, for example, as 4605522496 + 7594599609 = 67864^2 + 87147^2 .

It is not a de Polignac number, because 12200122105 - 2¹⁵ = 12200089337 is a prime.

It is a Duffinian 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, 1220012206 + ... + 1220012215.

It is an arithmetic number, because the mean of its divisors is an integer number (3660036633).

Almost surely, 2^12200122105 is an apocalyptic number.

It is an amenable number.

12200122105 is a deficient number, since it is larger than the sum of its proper divisors (2440024427).

12200122105 is an equidigital number, since it uses as much as digits as its factorization.

12200122105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2440024426.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 12200122105 its reverse (50122100221), we get a palindrome (62322222326).

The spelling of 12200122105 in words is "twelve billion, two hundred million, one hundred twenty-two thousand, one hundred five".