12012002008 has 32 divisors (see below), whose sum is σ = 23713282800. Its totient is φ = 5688603648.

The previous prime is 12012001999. The next prime is 12012002021. The reversal of 12012002008 is 80020021021.

It is a junction number, because it is equal to n+sod(n) for n = 12012001982 and 12012002000.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1173360 + ... + 1183552.

Almost surely, 2^12012002008 is an apocalyptic number.

It is an amenable number.

12012002008 is a deficient number, since it is larger than the sum of its proper divisors (11701280792).

12012002008 is a wasteful number, since it uses less digits than its factorization.

12012002008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17971 (or 17967 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12012002008 its reverse (80020021021), we get a palindrome (92032023029).

The spelling of 12012002008 in words is "twelve billion, twelve million, two thousand, eight".