12012223000208 has 20 divisors (see below), whose sum is σ = 23655217836348. Its totient is φ = 5907650655360.

The previous prime is 12012223000207. The next prime is 12012223000231. The reversal of 12012223000208 is 80200032221021.

It can be written as a sum of positive squares in 2 ways, for example, as 3229108368784 + 8783114631424 = 1796972^2 + 2963632^2 .

It is not an unprimeable number, because it can be changed into a prime (12012223000207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6153801791 + ... + 6153803742.

Almost surely, 2^{12012223000208} is an apocalyptic number.

It is an amenable number.

12012223000208 is a deficient number, since it is larger than the sum of its proper divisors (11642994836140).

12012223000208 is a wasteful number, since it uses less digits than its factorization.

12012223000208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12307605602 (or 12307605596 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 12012223000208 its reverse (80200032221021), we get a palindrome (92212255221229).

The spelling of 12012223000208 in words is "twelve trillion, twelve billion, two hundred twenty-three million, two hundred eight", and thus it is an aban number.