Base | Representation |
---|---|
bin | 10001110010010001100… |
… | …101000011000010000011 |
3 | 11022211202010121112022110 |
4 | 101302101211003002003 |
5 | 130011043024321011 |
6 | 2333251004510403 |
7 | 154205403052143 |
oct | 21622145030203 |
9 | 4284663545273 |
10 | 1222213120131 |
11 | 431379497013 |
12 | 178a5884b403 |
13 | 8b33c638a83 |
14 | 43226704923 |
15 | 21bd4db5ba6 |
hex | 11c91943083 |
1222213120131 has 8 divisors (see below), whose sum is σ = 1638061108240. Its totient is φ = 810586939392.
The previous prime is 1222213120129. The next prime is 1222213120153. The reversal of 1222213120131 is 1310213122221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1222213120131 - 21 = 1222213120129 is a prime.
It is a super-2 number, since 2×12222131201312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1222213120098 and 1222213120107.
It is not an unprimeable number, because it can be changed into a prime (1222213120181) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1055451166 + ... + 1055452323.
It is an arithmetic number, because the mean of its divisors is an integer number (204757638530).
Almost surely, 21222213120131 is an apocalyptic number.
1222213120131 is a deficient number, since it is larger than the sum of its proper divisors (415847988109).
1222213120131 is a wasteful number, since it uses less digits than its factorization.
1222213120131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2110903685.
The product of its (nonzero) digits is 288, while the sum is 21.
Adding to 1222213120131 its reverse (1310213122221), we get a palindrome (2532426242352).
The spelling of 1222213120131 in words is "one trillion, two hundred twenty-two billion, two hundred thirteen million, one hundred twenty thousand, one hundred thirty-one".
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