12003031208 has 16 divisors (see below), whose sum is σ = 25720781280. Its totient is φ = 5144156208.

The previous prime is 12003031207. The next prime is 12003031217. The reversal of 12003031208 is 80213030021.

It is a self number, because there is not a number n which added to its sum of digits gives 12003031208.

It is not an unprimeable number, because it can be changed into a prime (12003031207) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 107169866 + ... + 107169977.

It is an arithmetic number, because the mean of its divisors is an integer number (1607548830).

Almost surely, 2^12003031208 is an apocalyptic number.

It is an amenable number.

12003031208 is an abundant number, since it is smaller than the sum of its proper divisors (13717750072).

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

12003031208 is a wasteful number, since it uses less digits than its factorization.

12003031208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214339856 (or 214339852 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12003031208 its reverse (80213030021), we get a palindrome (92216061229).

The spelling of 12003031208 in words is "twelve billion, three million, thirty-one thousand, two hundred eight".