Base | Representation |
---|---|
bin | 10001110010001010111… |
… | …101001010011000111100 |
3 | 11022211110101112002210221 |
4 | 101302022331022120330 |
5 | 130010331103014322 |
6 | 2333231555111124 |
7 | 154202553420241 |
oct | 21621275123074 |
9 | 4284411462727 |
10 | 1222102001212 |
11 | 4313217a07a4 |
12 | 178a275a24a4 |
13 | 8b322601331 |
14 | 43215a5b5c8 |
15 | 21bca2669c7 |
hex | 11c8af4a63c |
1222102001212 has 6 divisors (see below), whose sum is σ = 2138678502128. Its totient is φ = 611051000604.
The previous prime is 1222102001207. The next prime is 1222102001249. The reversal of 1222102001212 is 2121002012221.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152762750148 + ... + 152762750155.
Almost surely, 21222102001212 is an apocalyptic number.
It is an amenable number.
1222102001212 is a deficient number, since it is larger than the sum of its proper divisors (916576500916).
1222102001212 is a wasteful number, since it uses less digits than its factorization.
1222102001212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 305525500307 (or 305525500305 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 1222102001212 its reverse (2121002012221), we get a palindrome (3343104013433).
The spelling of 1222102001212 in words is "one trillion, two hundred twenty-two billion, one hundred two million, one thousand, two hundred twelve".
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