Base | Representation |
---|---|
bin | 10001101000111110100… |
… | …011001111001010010001 |
3 | 11021212222101222202002221 |
4 | 101220332203033022101 |
5 | 124330121412431001 |
6 | 2324520232141041 |
7 | 153403123463440 |
oct | 21507643171221 |
9 | 4255871882087 |
10 | 1212230202001 |
11 | 428116389955 |
12 | 176b31537781 |
13 | 8a40b34c720 |
14 | 4295a94ad57 |
15 | 217ed77e1a1 |
hex | 11a3e8cf291 |
1212230202001 has 64 divisors (see below), whose sum is σ = 1578063585280. Its totient is φ = 904280060160.
The previous prime is 1212230201999. The next prime is 1212230202047. The reversal of 1212230202001 is 1002020322121.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 1212230202001 - 21 = 1212230201999 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1212230202061) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 696282991 + ... + 696284731.
It is an arithmetic number, because the mean of its divisors is an integer number (24657243520).
Almost surely, 21212230202001 is an apocalyptic number.
It is an amenable number.
1212230202001 is a deficient number, since it is larger than the sum of its proper divisors (365833383279).
1212230202001 is a wasteful number, since it uses less digits than its factorization.
1212230202001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3486.
The product of its (nonzero) digits is 96, while the sum is 16.
Adding to 1212230202001 its reverse (1002020322121), we get a palindrome (2214250524122).
The spelling of 1212230202001 in words is "one trillion, two hundred twelve billion, two hundred thirty million, two hundred two thousand, one".
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