Base | Representation |
---|---|
bin | 10110101111110010… |
… | …01100111011100010 |
3 | 1011112002002110110221 |
4 | 23113321030323202 |
5 | 200002234444302 |
6 | 5335442113254 |
7 | 611424360340 |
oct | 132771147342 |
9 | 34462073427 |
10 | 12212031202 |
11 | 51a7411878 |
12 | 244994b82a |
13 | 11c8072087 |
14 | 83bc52990 |
15 | 4b71a4937 |
hex | 2d7e4cee2 |
12212031202 has 32 divisors (see below), whose sum is σ = 21218181120. Its totient is φ = 5163374160.
The previous prime is 12212031191. The next prime is 12212031239. The reversal of 12212031202 is 20213021221.
It is a happy 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, 299077 + ... + 337447.
It is an arithmetic number, because the mean of its divisors is an integer number (663068160).
Almost surely, 212212031202 is an apocalyptic number.
12212031202 is a deficient number, since it is larger than the sum of its proper divisors (9006149918).
12212031202 is a wasteful number, since it uses less digits than its factorization.
12212031202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38686.
The product of its (nonzero) digits is 96, while the sum is 16.
Adding to 12212031202 its reverse (20213021221), we get a palindrome (32425052423).
The spelling of 12212031202 in words is "twelve billion, two hundred twelve million, thirty-one thousand, two hundred two".
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