Base | Representation |
---|---|
bin | 111000111010001101… |
… | …0001010101110010100 |
3 | 102200110011121222121120 |
4 | 1301310122022232110 |
5 | 4000242244213022 |
6 | 132050553243540 |
7 | 11554346501331 |
oct | 1616432125624 |
9 | 380404558546 |
10 | 122212101012 |
11 | 479145aa381 |
12 | 1b8287035b0 |
13 | b6a8594991 |
14 | 5cb5053988 |
15 | 32a42b2d5c |
hex | 1c7468ab94 |
122212101012 has 48 divisors (see below), whose sum is σ = 293321183232. Its totient is φ = 39581629920.
The previous prime is 122212100993. The next prime is 122212101031. The reversal of 122212101012 is 210101212221.
It is an interprime number because it is at equal distance from previous prime (122212100993) and next prime (122212101031).
It is a junction number, because it is equal to n+sod(n) for n = 122212100982 and 122212101000.
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, 521458 + ... + 718569.
It is an arithmetic number, because the mean of its divisors is an integer number (6110857984).
Almost surely, 2122212101012 is an apocalyptic number.
122212101012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
122212101012 is an abundant number, since it is smaller than the sum of its proper divisors (171109082220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122212101012 is a wasteful number, since it uses less digits than its factorization.
122212101012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1240268 (or 1240266 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 122212101012 its reverse (210101212221), we get a palindrome (332313313233).
It can be divided in two parts, 12221 and 2101012, that multiplied together give a palindrome (25676467652).
The spelling of 122212101012 in words is "one hundred twenty-two billion, two hundred twelve million, one hundred one thousand, twelve".
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