Base | Representation |
---|---|
bin | 100100000111101… |
… | …1100111010001010 |
3 | 10010110121111022210 |
4 | 1020033130322022 |
5 | 4440233310442 |
6 | 320133325550 |
7 | 42014626131 |
oct | 11017347212 |
9 | 3113544283 |
10 | 1212010122 |
11 | 57216a164 |
12 | 299a968b6 |
13 | 16413ac6b |
14 | b6d78918 |
15 | 7160e19c |
hex | 483dce8a |
1212010122 has 32 divisors (see below), whose sum is σ = 2438208000. Its totient is φ = 401646960.
The previous prime is 1212010117. The next prime is 1212010123. The reversal of 1212010122 is 2210102121.
It is a junction number, because it is equal to n+sod(n) for n = 1212010098 and 1212010107.
It is not an unprimeable number, because it can be changed into a prime (1212010123) 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, 990403 + ... + 991625.
It is an arithmetic number, because the mean of its divisors is an integer number (76194000).
Almost surely, 21212010122 is an apocalyptic number.
1212010122 is an abundant number, since it is smaller than the sum of its proper divisors (1226197878).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1212010122 is a wasteful number, since it uses less digits than its factorization.
1212010122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2058.
The product of its (nonzero) digits is 16, while the sum is 12.
The square root of 1212010122 is about 34813.9357441815. The cubic root of 1212010122 is about 1066.1919903369.
Adding to 1212010122 its reverse (2210102121), we get a palindrome (3422112243).
The spelling of 1212010122 in words is "one billion, two hundred twelve million, ten thousand, one hundred twenty-two".
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