Base | Representation |
---|---|
bin | 10110101110011111… |
… | …00101011000011110 |
3 | 1011111022120011220212 |
4 | 23113033211120132 |
5 | 144441441340220 |
6 | 5334412212422 |
7 | 611232551150 |
oct | 132717453036 |
9 | 34438504825 |
10 | 12201121310 |
11 | 51a1240034 |
12 | 244616a112 |
13 | 11c5a22311 |
14 | 83a612ad0 |
15 | 4b624c0c5 |
hex | 2d73e561e |
12201121310 has 32 divisors (see below), whose sum is σ = 25238146752. Its totient is φ = 4160125440.
The previous prime is 12201121253. The next prime is 12201121333. The reversal of 12201121310 is 1312110221.
It is a super-3 number, since 3×122011213103 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 468827 + ... + 494166.
It is an arithmetic number, because the mean of its divisors is an integer number (788692086).
Almost surely, 212201121310 is an apocalyptic number.
12201121310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12201121310 is an abundant number, since it is smaller than the sum of its proper divisors (13037025442).
12201121310 is a wasteful number, since it uses less digits than its factorization.
12201121310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 963188.
The product of its (nonzero) digits is 24, while the sum is 14.
Adding to 12201121310 its reverse (1312110221), we get a palindrome (13513231531).
The spelling of 12201121310 in words is "twelve billion, two hundred one million, one hundred twenty-one thousand, three hundred ten".
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