Base | Representation |
---|---|
bin | 10001011110101110011… |
… | …011000011001010100110 |
3 | 11020211120020111101222000 |
4 | 101132232123003022212 |
5 | 124140100340431042 |
6 | 2315500040350130 |
7 | 152533256151153 |
oct | 21365633031246 |
9 | 4224506441860 |
10 | 1201222202022 |
11 | 423487687607 |
12 | 17497aa75346 |
13 | 8937588397b |
14 | 421d499722a |
15 | 213a715e74c |
hex | 117ae6c32a6 |
1201222202022 has 16 divisors (see below), whose sum is σ = 2669382671280. Its totient is φ = 400407400656.
The previous prime is 1201222202017. The next prime is 1201222202039. The reversal of 1201222202022 is 2202022221021.
1201222202022 is a `hidden beast` number, since 120 + 122 + 220 + 202 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 1201222201986 and 1201222202004.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11122427743 + ... + 11122427850.
It is an arithmetic number, because the mean of its divisors is an integer number (166836416955).
Almost surely, 21201222202022 is an apocalyptic number.
1201222202022 is an abundant number, since it is smaller than the sum of its proper divisors (1468160469258).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1201222202022 is a wasteful number, since it uses less digits than its factorization.
1201222202022 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22244855604 (or 22244855598 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 18.
Adding to 1201222202022 its reverse (2202022221021), we get a palindrome (3403244423043).
The spelling of 1201222202022 in words is "one trillion, two hundred one billion, two hundred twenty-two million, two hundred two thousand, twenty-two".
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