12020122120012 has 24 divisors (see below), whose sum is σ = 21221866342656. Its totient is φ = 5956734244608.

The previous prime is 12020122120007. The next prime is 12020122120051. The reversal of 12020122120012 is 21002122102021.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20391573 + ... + 20972755.

It is an arithmetic number, because the mean of its divisors is an integer number (884244430944).

Almost surely, 2^{12020122120012} is an apocalyptic number.

It is an amenable number.

12020122120012 is a deficient number, since it is larger than the sum of its proper divisors (9201744222644).

12020122120012 is a wasteful number, since it uses less digits than its factorization.

12020122120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627057 (or 627055 counting only the distinct ones).

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

Adding to 12020122120012 its reverse (21002122102021), we get a palindrome (33022244222033).

The spelling of 12020122120012 in words is "twelve trillion, twenty billion, one hundred twenty-two million, one hundred twenty thousand, twelve".