Base | Representation |
---|---|
bin | 111000011100010101… |
… | …1110101110111100110 |
3 | 102120212100012010022020 |
4 | 1300320223311313212 |
5 | 3441214241214342 |
6 | 131403321044010 |
7 | 11520461601210 |
oct | 1607053656746 |
9 | 376770163266 |
10 | 121210101222 |
11 | 4744aa40081 |
12 | 1b5a9026606 |
13 | b578b074b2 |
14 | 5c1bd455b0 |
15 | 32463390ec |
hex | 1c38af5de6 |
121210101222 has 16 divisors (see below), whose sum is σ = 277051660032. Its totient is φ = 34631457480.
The previous prime is 121210101211. The next prime is 121210101283. The reversal of 121210101222 is 222101012121.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1442977354 + ... + 1442977437.
It is an arithmetic number, because the mean of its divisors is an integer number (17315728752).
Almost surely, 2121210101222 is an apocalyptic number.
121210101222 is an abundant number, since it is smaller than the sum of its proper divisors (155841558810).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121210101222 is a wasteful number, since it uses less digits than its factorization.
121210101222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2885954803.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 121210101222 its reverse (222101012121), we get a palindrome (343311113343).
The spelling of 121210101222 in words is "one hundred twenty-one billion, two hundred ten million, one hundred one thousand, two hundred twenty-two".
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