Base | Representation |
---|---|
bin | 111000010110111110… |
… | …1010001101011100100 |
3 | 102120101210112020111222 |
4 | 1300231331101223210 |
5 | 3440332202402322 |
6 | 131333411315512 |
7 | 11513145031106 |
oct | 1605575215344 |
9 | 376353466458 |
10 | 121030122212 |
11 | 4736839219a |
12 | 1b5588abb98 |
13 | b54a74003c |
14 | 5c02095576 |
15 | 3235636e42 |
hex | 1c2df51ae4 |
121030122212 has 12 divisors (see below), whose sum is σ = 211805971440. Its totient is φ = 60514130376.
The previous prime is 121030122211. The next prime is 121030122217. The reversal of 121030122212 is 212221030121.
It is not an unprimeable number, because it can be changed into a prime (121030122211) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118943 + ... + 506169.
It is an arithmetic number, because the mean of its divisors is an integer number (17650497620).
Almost surely, 2121030122212 is an apocalyptic number.
It is an amenable number.
121030122212 is a deficient number, since it is larger than the sum of its proper divisors (90775849228).
121030122212 is a wasteful number, since it uses less digits than its factorization.
121030122212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 465370 (or 465368 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 17.
Adding to 121030122212 its reverse (212221030121), we get a palindrome (333251152333).
The spelling of 121030122212 in words is "one hundred twenty-one billion, thirty million, one hundred twenty-two thousand, two hundred twelve".
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