Base | Representation |
---|---|
bin | 1011000110110001111101… |
… | …1110011101011010010100 |
3 | 1121020101000221210110010220 |
4 | 2301230133132131122110 |
5 | 3100031333221213022 |
6 | 41545413334314340 |
7 | 2400136640164050 |
oct | 261543736353224 |
9 | 47211027713126 |
10 | 12211120101012 |
11 | 3988785a54528 |
12 | 145271b4b89b0 |
13 | 6a7671797291 |
14 | 3030428b4c60 |
15 | 16298c75985c |
hex | b1b1f79d694 |
12211120101012 has 48 divisors (see below), whose sum is σ = 32563196088192. Its totient is φ = 3488869048320.
The previous prime is 12211120100947. The next prime is 12211120101031. The reversal of 12211120101012 is 21010102111221.
It is a happy number.
It is a super-2 number, since 2×122111201010122 (a number of 27 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12211120100982 and 12211120101000.
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, 16216908 + ... + 16953180.
It is an arithmetic number, because the mean of its divisors is an integer number (678399918504).
Almost surely, 212211120101012 is an apocalyptic number.
12211120101012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12211120101012 is an abundant number, since it is smaller than the sum of its proper divisors (20352075987180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12211120101012 is a wasteful number, since it uses less digits than its factorization.
12211120101012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 933728 (or 933726 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 15.
Adding to 12211120101012 its reverse (21010102111221), we get a palindrome (33221222212233).
The spelling of 12211120101012 in words is "twelve trillion, two hundred eleven billion, one hundred twenty million, one hundred one thousand, twelve".
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