120212200022121 has 20 divisors (see below), whose sum is σ = 179620274486400. Its totient is φ = 80121819129336.

The previous prime is 120212200022093. The next prime is 120212200022177. The reversal of 120212200022121 is 121220002212021.

It is a happy number.

120212200022121 is a `hidden beast` number, since 1 + 202 + 1 + 220 + 0 + 0 + 221 + 21 = 666.

It is not a de Polignac number, because 120212200022121 - 2¹⁰ = 120212200021097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120212200022094 and 120212200022103.

It is not an unprimeable number, because it can be changed into a prime (120212200024121) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 181589341 + ... + 182250138.

It is an arithmetic number, because the mean of its divisors is an integer number (8981013724320).

Almost surely, 2^{120212200022121} is an apocalyptic number.

It is an amenable number.

120212200022121 is a deficient number, since it is larger than the sum of its proper divisors (59408074464279).

120212200022121 is an equidigital number, since it uses as much as digits as its factorization.

120212200022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363843570 (or 363843561 counting only the distinct ones).

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

Adding to 120212200022121 its reverse (121220002212021), we get a palindrome (241432202234142).

The spelling of 120212200022121 in words is "one hundred twenty trillion, two hundred twelve billion, two hundred million, twenty-two thousand, one hundred twenty-one".