Base | Representation |
---|---|
bin | 10001101000111101010… |
… | …110101000100111110010 |
3 | 11021212221000012112102122 |
4 | 101220331112220213302 |
5 | 124330101242334302 |
6 | 2324514233514242 |
7 | 153402461010023 |
oct | 21507526504762 |
9 | 4255830175378 |
10 | 1212210121202 |
11 | 428106013953 |
12 | 176b26872982 |
13 | 8a40713b5b2 |
14 | 42958000c4a |
15 | 217ebb143a2 |
hex | 11a3d5a89f2 |
1212210121202 has 8 divisors (see below), whose sum is σ = 1818326434800. Its totient is φ = 606101309604.
The previous prime is 1212210121183. The next prime is 1212210121267. The reversal of 1212210121202 is 2021210122121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1452452 + ... + 2129327.
It is an arithmetic number, because the mean of its divisors is an integer number (227290804350).
Almost surely, 21212210121202 is an apocalyptic number.
1212210121202 is a deficient number, since it is larger than the sum of its proper divisors (606116313598).
1212210121202 is a wasteful number, since it uses less digits than its factorization.
1212210121202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3751000.
The product of its (nonzero) digits is 64, while the sum is 17.
Adding to 1212210121202 its reverse (2021210122121), we get a palindrome (3233420243323).
The spelling of 1212210121202 in words is "one trillion, two hundred twelve billion, two hundred ten million, one hundred twenty-one thousand, two hundred two".
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