Base | Representation |
---|---|
bin | 1100010110100101011… |
… | …1101101110001111100 |
3 | 202021210001200002101201 |
4 | 3011221113231301330 |
5 | 11434112113101022 |
6 | 241254301145244 |
7 | 21222016423612 |
oct | 3055127556174 |
9 | 667701602351 |
10 | 212221222012 |
11 | 82003390188 |
12 | 3516855b224 |
13 | 1702125b6a7 |
14 | a3b32476b2 |
15 | 57c1342127 |
hex | 31695edc7c |
212221222012 has 6 divisors (see below), whose sum is σ = 371387138528. Its totient is φ = 106110611004.
The previous prime is 212221222009. The next prime is 212221222027. The reversal of 212221222012 is 210222122212.
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, 26527652748 + ... + 26527652755.
Almost surely, 2212221222012 is an apocalyptic number.
It is an amenable number.
212221222012 is a deficient number, since it is larger than the sum of its proper divisors (159165916516).
212221222012 is a wasteful number, since it uses less digits than its factorization.
212221222012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53055305507 (or 53055305505 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 19.
Adding to 212221222012 its reverse (210222122212), we get a palindrome (422443344224).
The spelling of 212221222012 in words is "two hundred twelve billion, two hundred twenty-one million, two hundred twenty-two thousand, twelve".
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