120021022012122 has 64 divisors (see below), whose sum is σ = 332525775283200. Its totient is φ = 31174291430640.

The previous prime is 120021022012063. The next prime is 120021022012127. The reversal of 120021022012122 is 221210220120021.

It is a happy number.

120021022012122 is a `hidden beast` number, since 1 + 20 + 0 + 210 + 220 + 1 + 212 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 120021022012095 and 120021022012104.

It is not an unprimeable number, because it can be changed into a prime (120021022012127) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 14432538172 + ... + 14432546487.

It is an arithmetic number, because the mean of its divisors is an integer number (5195715238800).

Almost surely, 2^{120021022012122} is an apocalyptic number.

120021022012122 is an abundant number, since it is smaller than the sum of its proper divisors (212504753271078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120021022012122 is a wasteful number, since it uses less digits than its factorization.

120021022012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28865084688 (or 28865084682 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 120021022012122 its reverse (221210220120021), we get a palindrome (341231242132143).

The spelling of 120021022012122 in words is "one hundred twenty trillion, twenty-one billion, twenty-two million, twelve thousand, one hundred twenty-two".