Base | Representation |
---|---|
bin | 10001011111101001111… |
… | …101001111110000000100 |
3 | 11020221010211221201200101 |
4 | 101133221331033300010 |
5 | 124144122040202322 |
6 | 2320143120453444 |
7 | 152600105036320 |
oct | 21375175176004 |
9 | 4227124851611 |
10 | 1202221022212 |
11 | 42394a474a41 |
12 | 174bb947a284 |
13 | 894a4799b32 |
14 | 4228b4b8980 |
15 | 21414bab327 |
hex | 117e9f4fc04 |
1202221022212 has 48 divisors (see below), whose sum is σ = 2415816748800. Its totient is φ = 512805888000.
The previous prime is 1202221022201. The next prime is 1202221022243. The reversal of 1202221022212 is 2122201222021.
It is a self number, because there is not a number n which added to its sum of digits gives 1202221022212.
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, 4922137 + ... + 5160607.
It is an arithmetic number, because the mean of its divisors is an integer number (50329515600).
Almost surely, 21202221022212 is an apocalyptic number.
It is an amenable number.
1202221022212 is an abundant number, since it is smaller than the sum of its proper divisors (1213595726588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1202221022212 is a wasteful number, since it uses less digits than its factorization.
1202221022212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 239332 (or 239330 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 19.
Adding to 1202221022212 its reverse (2122201222021), we get a palindrome (3324422244233).
The spelling of 1202221022212 in words is "one trillion, two hundred two billion, two hundred twenty-one million, twenty-two thousand, two hundred twelve".
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