120221121122012 has 48 divisors (see below), whose sum is σ = 223386895509120. Its totient is φ = 56416225152000.

The previous prime is 120221121122009. The next prime is 120221121122027. The reversal of 120221121122012 is 210221121122021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66411314 + ... + 68197542.

It is an arithmetic number, because the mean of its divisors is an integer number (4653893656440).

Almost surely, 2^{120221121122012} is an apocalyptic number.

It is an amenable number.

120221121122012 is a deficient number, since it is larger than the sum of its proper divisors (103165774387108).

120221121122012 is a wasteful number, since it uses less digits than its factorization.

120221121122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1789022 (or 1789020 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 120221121122012 its reverse (210221121122021), we get a palindrome (330442242244033).

Subtracting 120221121122012 from its reverse (210221121122021), we obtain a palindrome (90000000000009).

The spelling of 120221121122012 in words is "one hundred twenty trillion, two hundred twenty-one billion, one hundred twenty-one million, one hundred twenty-two thousand, twelve".