Base | Representation |
---|---|
bin | 11011010101010100010000… |
… | …001111010101001010000101 |
3 | 120202122011110210010020212000 |
4 | 123111110100033111022011 |
5 | 111224023401144231041 |
6 | 1103400403143215513 |
7 | 34215016126253022 |
oct | 3325242017251205 |
9 | 522564423106760 |
10 | 120212112102021 |
11 | 353377413a3985 |
12 | 11595ab5147599 |
13 | 520cc51ba0704 |
14 | 21984239d0549 |
15 | dd6ed60e0bb6 |
hex | 6d55103d5285 |
120212112102021 has 16 divisors (see below), whose sum is σ = 178661002024320. Its totient is φ = 79885365225120.
The previous prime is 120212112101971. The next prime is 120212112102073. The reversal of 120212112102021 is 120201211212021.
120212112102021 is a `hidden beast` number, since 1 + 20 + 21 + 211 + 210 + 202 + 1 = 666.
It is not a de Polignac number, because 120212112102021 - 211 = 120212112099973 is a prime.
It is a super-2 number, since 2×1202121121020212 (a number of 29 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 120212112101985 and 120212112102003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120212112103021) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7112292585 + ... + 7112309486.
It is an arithmetic number, because the mean of its divisors is an integer number (11166312626520).
Almost surely, 2120212112102021 is an apocalyptic number.
It is an amenable number.
120212112102021 is a deficient number, since it is larger than the sum of its proper divisors (58448889922299).
120212112102021 is a wasteful number, since it uses less digits than its factorization.
120212112102021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14224602393 (or 14224602387 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 18.
Adding to 120212112102021 its reverse (120201211212021), we get a palindrome (240413323314042).
The spelling of 120212112102021 in words is "one hundred twenty trillion, two hundred twelve billion, one hundred twelve million, one hundred two thousand, twenty-one".
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