12021102102008 has 16 divisors (see below), whose sum is σ = 22584376720080. Its totient is φ = 5998601643328.

The previous prime is 12021102102007. The next prime is 12021102102011. The reversal of 12021102102008 is 80020120112021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021102102007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1493671685 + ... + 1493679732.

It is an arithmetic number, because the mean of its divisors is an integer number (1411523545005).

Almost surely, 2^{12021102102008} is an apocalyptic number.

It is an amenable number.

12021102102008 is a deficient number, since it is larger than the sum of its proper divisors (10563274618072).

12021102102008 is a wasteful number, since it uses less digits than its factorization.

12021102102008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2987351926 (or 2987351922 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 12021102102008 its reverse (80020120112021), we get a palindrome (92041222214029).

The spelling of 12021102102008 in words is "twelve trillion, twenty-one billion, one hundred two million, one hundred two thousand, eight".