120012120122121 has 24 divisors (see below), whose sum is σ = 175304139627240. Its totient is φ = 79106614050816.

The previous prime is 120012120122113. The next prime is 120012120122171. The reversal of 120012120122121 is 121221021210021.

120012120122121 is a `hidden beast` number, since 1 + 200 + 1 + 21 + 201 + 221 + 21 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 15290954433225 + 104721165688896 = 3910365^2 + 10233336^2 .

It is not a de Polignac number, because 120012120122121 - 2³ = 120012120122113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120012120122094 and 120012120122103.

It is not an unprimeable number, because it can be changed into a prime (120012120122101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23179885 + ... + 27880661.

It is an arithmetic number, because the mean of its divisors is an integer number (7304339151135).

Almost surely, 2^{120012120122121} is an apocalyptic number.

It is an amenable number.

120012120122121 is a deficient number, since it is larger than the sum of its proper divisors (55292019505119).

120012120122121 is a wasteful number, since it uses less digits than its factorization.

120012120122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4732745 (or 4732742 counting only the distinct ones).

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

Adding to 120012120122121 its reverse (121221021210021), we get a palindrome (241233141332142).

The spelling of 120012120122121 in words is "one hundred twenty trillion, twelve billion, one hundred twenty million, one hundred twenty-two thousand, one hundred twenty-one".