120021222020012 has 12 divisors (see below), whose sum is σ = 211125413865576. Its totient is φ = 59699675201280.

The previous prime is 120021222019997. The next prime is 120021222020039. The reversal of 120021222020012 is 210020222120021.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77733951314 + ... + 77733952857.

It is an arithmetic number, because the mean of its divisors is an integer number (17593784488798).

Almost surely, 2^{120021222020012} is an apocalyptic number.

It is an amenable number.

120021222020012 is a deficient number, since it is larger than the sum of its proper divisors (91104191845564).

120021222020012 is a wasteful number, since it uses less digits than its factorization.

120021222020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155467904368 (or 155467904366 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 120021222020012 its reverse (210020222120021), we get a palindrome (330041444140033).

The spelling of 120021222020012 in words is "one hundred twenty trillion, twenty-one billion, two hundred twenty-two million, twenty thousand, twelve".