12001201101212 has 12 divisors (see below), whose sum is σ = 21004267830000. Its totient is φ = 5999981721216.

The previous prime is 12001201101209. The next prime is 12001201101233. The reversal of 12001201101212 is 21210110210021.

It is a super-3 number, since 3×12001201101212³ (a number of 40 digits) contains 333 as substring.

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, 154663712 + ... + 154741287.

It is an arithmetic number, because the mean of its divisors is an integer number (1750355652500).

Almost surely, 2^{12001201101212} is an apocalyptic number.

It is an amenable number.

12001201101212 is a deficient number, since it is larger than the sum of its proper divisors (9003066728788).

12001201101212 is a wasteful number, since it uses less digits than its factorization.

12001201101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309414700 (or 309414698 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12001201101212 its reverse (21210110210021), we get a palindrome (33211311311233).

The spelling of 12001201101212 in words is "twelve trillion, one billion, two hundred one million, one hundred one thousand, two hundred twelve".