Base | Representation |
---|---|
bin | 10001110010000101100… |
… | …110010000100101100001 |
3 | 11022211020010101012220021 |
4 | 101302011212100211201 |
5 | 130010140100024301 |
6 | 2333215024313441 |
7 | 154200412363240 |
oct | 21620546204541 |
9 | 4284203335807 |
10 | 1222012111201 |
11 | 431285a85032 |
12 | 178a01472881 |
13 | 8b309aba48b |
14 | 43207b3c957 |
15 | 21bc240c8a1 |
hex | 11c85990961 |
1222012111201 has 16 divisors (see below), whose sum is σ = 1432737820800. Its totient is φ = 1020449783808.
The previous prime is 1222012111183. The next prime is 1222012111207. The reversal of 1222012111201 is 1021112102221.
It is not a de Polignac number, because 1222012111201 - 29 = 1222012110689 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1222012111207) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5101216 + ... + 5335393.
It is an arithmetic number, because the mean of its divisors is an integer number (89546113800).
Almost surely, 21222012111201 is an apocalyptic number.
It is an amenable number.
1222012111201 is a deficient number, since it is larger than the sum of its proper divisors (210725709599).
1222012111201 is a wasteful number, since it uses less digits than its factorization.
1222012111201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10437048.
The product of its (nonzero) digits is 32, while the sum is 16.
Adding to 1222012111201 its reverse (1021112102221), we get a palindrome (2243124213422).
The spelling of 1222012111201 in words is "one trillion, two hundred twenty-two billion, twelve million, one hundred eleven thousand, two hundred one".
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