12012122020012 has 24 divisors (see below), whose sum is σ = 21575064201152. Its totient is φ = 5848661926800.

The previous prime is 12012122019991. The next prime is 12012122020039. The reversal of 12012122020012 is 21002022121021.

It is a happy number.

It is a super-3 number, since 3×12012122020012³ (a number of 40 digits) contains 333 as substring.

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, 105438414 + ... + 105552277.

Almost surely, 2^{12012122020012} is an apocalyptic number.

It is an amenable number.

12012122020012 is a deficient number, since it is larger than the sum of its proper divisors (9562942181140).

12012122020012 is a wasteful number, since it uses less digits than its factorization.

12012122020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210991069 (or 210991067 counting only the distinct ones).

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

Adding to 12012122020012 its reverse (21002022121021), we get a palindrome (33014144141033).

The spelling of 12012122020012 in words is "twelve trillion, twelve billion, one hundred twenty-two million, twenty thousand, twelve".