Base | Representation |
---|---|
bin | 10001101000110010000… |
… | …101010001011000111110 |
3 | 11021212102211101012122122 |
4 | 101220302011101120332 |
5 | 124324204340121342 |
6 | 2324443400442542 |
7 | 153365003455145 |
oct | 21506205213076 |
9 | 4255384335578 |
10 | 1212021020222 |
11 | 4280192a5551 |
12 | 176a93479452 |
13 | 8a3a6bcc11c |
14 | 4293ac5875c |
15 | 217da20e4d2 |
hex | 11a3215163e |
1212021020222 has 8 divisors (see below), whose sum is σ = 1860311333496. Its totient is φ = 591917242392.
The previous prime is 1212021020167. The next prime is 1212021020237. The reversal of 1212021020222 is 2220201202121.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 1212021020222.
It is a congruent number.
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, 7046633753 + ... + 7046633924.
It is an arithmetic number, because the mean of its divisors is an integer number (232538916687).
Almost surely, 21212021020222 is an apocalyptic number.
1212021020222 is a deficient number, since it is larger than the sum of its proper divisors (648290313274).
1212021020222 is a wasteful number, since it uses less digits than its factorization.
1212021020222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14093267722.
The product of its (nonzero) digits is 128, while the sum is 17.
Adding to 1212021020222 its reverse (2220201202121), we get a palindrome (3432222222343).
The spelling of 1212021020222 in words is "one trillion, two hundred twelve billion, twenty-one million, twenty thousand, two hundred twenty-two".
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