Base | Representation |
---|---|
bin | 1100010110001001000… |
… | …1101011111101111100 |
3 | 202021110202201012112221 |
4 | 3011202101223331330 |
5 | 11433341130414322 |
6 | 241234410135124 |
7 | 21216042651316 |
oct | 3054221537574 |
9 | 667422635487 |
10 | 212102201212 |
11 | 81a52188090 |
12 | 351347214a4 |
13 | 170026b8395 |
14 | a3a15047b6 |
15 | 57b5b819c7 |
hex | 316246bf7c |
212102201212 has 48 divisors (see below), whose sum is σ = 426703495680. Its totient is φ = 91235289600.
The previous prime is 212102201197. The next prime is 212102201249.
It is a happy number.
212102201212 is nontrivially palindromic in base 10.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 622348 + ... + 900844.
It is an arithmetic number, because the mean of its divisors is an integer number (8889656160).
Almost surely, 2212102201212 is an apocalyptic number.
212102201212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
212102201212 is an abundant number, since it is smaller than the sum of its proper divisors (214601294468).
212102201212 is a wasteful number, since it uses less digits than its factorization.
212102201212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 279442 (or 279440 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 16.
It can be divided in two parts, 212102 and 201212, that added together give a palindrome (413314).
The spelling of 212102201212 in words is "two hundred twelve billion, one hundred two million, two hundred one thousand, two hundred twelve".
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