120200212220121 has 24 divisors (see below), whose sum is σ = 189425884789440. Its totient is φ = 72841117399200.

The previous prime is 120200212220087. The next prime is 120200212220159. The reversal of 120200212220121 is 121022212002021.

It is a happy number.

120200212220121 is a `hidden beast` number, since 1 + 20 + 200 + 212 + 220 + 12 + 1 = 666.

It is not a de Polignac number, because 120200212220121 - 2¹⁵ = 120200212187353 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120200212220094 and 120200212220103.

It is not an unprimeable number, because it can be changed into a prime (120200212220171) 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, 61500190 + ... + 63424551.

It is an arithmetic number, because the mean of its divisors is an integer number (7892745199560).

Almost surely, 2^{120200212220121} is an apocalyptic number.

120200212220121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120200212220121 is a deficient number, since it is larger than the sum of its proper divisors (69225672569319).

120200212220121 is a wasteful number, since it uses less digits than its factorization.

120200212220121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124934477 (or 124934474 counting only the distinct ones).

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

Adding to 120200212220121 its reverse (121022212002021), we get a palindrome (241222424222142).

The spelling of 120200212220121 in words is "one hundred twenty trillion, two hundred billion, two hundred twelve million, two hundred twenty thousand, one hundred twenty-one".