12001002101012 has 24 divisors (see below), whose sum is σ = 21915797000832. Its totient is φ = 5739367805600.

The previous prime is 12001002101009. The next prime is 12001002101047. The reversal of 12001002101012 is 21010120010021.

It is a junction number, because it is equal to n+sod(n) for n = 12001002100984 and 12001002101002.

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 7 ways as a sum of consecutive naturals, for example, 544439 + ... + 4929342.

It is an arithmetic number, because the mean of its divisors is an integer number (913158208368).

Almost surely, 2^{12001002101012} is an apocalyptic number.

It is an amenable number.

12001002101012 is a deficient number, since it is larger than the sum of its proper divisors (9914794899820).

12001002101012 is a wasteful number, since it uses less digits than its factorization.

12001002101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5497639 (or 5497637 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12001002101012 its reverse (21010120010021), we get a palindrome (33011122111033).

The spelling of 12001002101012 in words is "twelve trillion, one billion, two million, one hundred one thousand, twelve".