12000001208 has 128 divisors (see below), whose sum is σ = 26102865600. Its totient is φ = 5122842624.

The previous prime is 12000001159. The next prime is 12000001231. The reversal of 12000001208 is 80210000021.

12000001208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12000001192 and 12000001201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43321166 + ... + 43321442.

Almost surely, 2^12000001208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12000001208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13051432800).

12000001208 is an abundant number, since it is smaller than the sum of its proper divisors (14102864392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12000001208 is a wasteful number, since it uses less digits than its factorization.

12000001208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649 (or 645 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12000001208 its reverse (80210000021), we get a palindrome (92210001229).

The spelling of 12000001208 in words is "twelve billion, one thousand, two hundred eight".