Base | Representation |
---|---|
bin | 111000011111010110… |
… | …1100111100100001110 |
3 | 102121010101111000012202 |
4 | 1300332231213210032 |
5 | 3441421133331342 |
6 | 131421332401502 |
7 | 11523130305020 |
oct | 1607655474416 |
9 | 377111430182 |
10 | 121311230222 |
11 | 474a2032866 |
12 | 1b616a76292 |
13 | b593a54b40 |
14 | 5c2b54c010 |
15 | 3250163332 |
hex | 1c3eb6790e |
121311230222 has 64 divisors (see below), whose sum is σ = 233800003584. Its totient is φ = 45884361600.
The previous prime is 121311230177. The next prime is 121311230233. The reversal of 121311230222 is 222032113121.
It is a super-3 number, since 3×1213112302223 (a number of 34 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 121311230194 and 121311230203.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12247472 + ... + 12257372.
It is an arithmetic number, because the mean of its divisors is an integer number (3653125056).
Almost surely, 2121311230222 is an apocalyptic number.
121311230222 is a deficient number, since it is larger than the sum of its proper divisors (112488773362).
121311230222 is a wasteful number, since it uses less digits than its factorization.
121311230222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12873.
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 121311230222 its reverse (222032113121), we get a palindrome (343343343343).
The spelling of 121311230222 in words is "one hundred twenty-one billion, three hundred eleven million, two hundred thirty thousand, two hundred twenty-two".
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