Base | Representation |
---|---|
bin | 10110011001001001… |
… | …10010101000001100 |
3 | 1011000211202112122222 |
4 | 23030210302220030 |
5 | 144110131144322 |
6 | 5304535554512 |
7 | 603630300140 |
oct | 131444625014 |
9 | 34024675588 |
10 | 12022131212 |
11 | 510a1a8133 |
12 | 23b622ba38 |
13 | 1197913010 |
14 | 82093d220 |
15 | 4a5692e42 |
hex | 2cc932a0c |
12022131212 has 48 divisors (see below), whose sum is σ = 27256669440. Its totient is φ = 4505689152.
The previous prime is 12022131203. The next prime is 12022131241. The reversal of 12022131212 is 21213122021.
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, 862238 + ... + 876069.
It is an arithmetic number, because the mean of its divisors is an integer number (567847280).
Almost surely, 212022131212 is an apocalyptic number.
It is an amenable number.
12022131212 is an abundant number, since it is smaller than the sum of its proper divisors (15234538228).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12022131212 is a wasteful number, since it uses less digits than its factorization.
12022131212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1738350 (or 1738348 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 17.
Adding to 12022131212 its reverse (21213122021), we get a palindrome (33235253233).
The spelling of 12022131212 in words is "twelve billion, twenty-two million, one hundred thirty-one thousand, two hundred twelve".
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