120012112120221 has 12 divisors (see below), whose sum is σ = 178942790832000. Its totient is φ = 77427169109640.

The previous prime is 120012112120177. The next prime is 120012112120259. The reversal of 120012112120221 is 122021211210021.

120012112120221 is a `hidden beast` number, since 1 + 20 + 0 + 1 + 211 + 212 + 0 + 221 = 666.

It is not a de Polignac number, because 120012112120221 - 2¹³ = 120012112112029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120012112120194 and 120012112120203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120012112120321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 215075469471 + ... + 215075470028.

It is an arithmetic number, because the mean of its divisors is an integer number (14911899236000).

Almost surely, 2^{120012112120221} is an apocalyptic number.

It is an amenable number.

120012112120221 is a deficient number, since it is larger than the sum of its proper divisors (58930678711779).

120012112120221 is a wasteful number, since it uses less digits than its factorization.

120012112120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430150939536 (or 430150939533 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 120012112120221 its reverse (122021211210021), we get a palindrome (242033323330242).

The spelling of 120012112120221 in words is "one hundred twenty trillion, twelve billion, one hundred twelve million, one hundred twenty thousand, two hundred twenty-one".