12001020002012 has 12 divisors (see below), whose sum is σ = 21046756709160. Its totient is φ = 5987660942256.

The previous prime is 12001020002009. The next prime is 12001020002087. The reversal of 12001020002012 is 21020002010021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12001020001984 and 12001020002002.

It is a congruent number.

It is an unprimeable number.

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, 3212262587 + ... + 3212266322.

It is an arithmetic number, because the mean of its divisors is an integer number (1753896392430).

Almost surely, 2^{12001020002012} is an apocalyptic number.

It is an amenable number.

12001020002012 is a deficient number, since it is larger than the sum of its proper divisors (9045736707148).

12001020002012 is a wasteful number, since it uses less digits than its factorization.

12001020002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6424529380 (or 6424529378 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12001020002012 its reverse (21020002010021), we get a palindrome (33021022012033).

The spelling of 12001020002012 in words is "twelve trillion, one billion, twenty million, two thousand, twelve".