12021011122012 has 24 divisors (see below), whose sum is σ = 21535271189712. Its totient is φ = 5869151433600.

The previous prime is 12021011122007. The next prime is 12021011122027. The reversal of 12021011122012 is 21022111012021.

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, 134322289 + ... + 134411752.

It is an arithmetic number, because the mean of its divisors is an integer number (897302966238).

Almost surely, 2^{12021011122012} is an apocalyptic number.

It is an amenable number.

12021011122012 is a deficient number, since it is larger than the sum of its proper divisors (9514260067700).

12021011122012 is a wasteful number, since it uses less digits than its factorization.

12021011122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268734309 (or 268734307 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12021011122012 its reverse (21022111012021), we get a palindrome (33043122134033).

The spelling of 12021011122012 in words is "twelve trillion, twenty-one billion, eleven million, one hundred twenty-two thousand, twelve".