Base | Representation |
---|---|
bin | 11011110010011010110011… |
… | …100100110011111100110100 |
3 | 121000201100120021000011111102 |
4 | 123302122303210303330310 |
5 | 112004310200111241040 |
6 | 1111531231235225232 |
7 | 34512345406564433 |
oct | 3362326344637464 |
9 | 530640507004442 |
10 | 122212012212020 |
11 | 35a38906918945 |
12 | 1185960b748218 |
13 | 532670a82c373 |
14 | 22271430bb11a |
15 | e1e03543b515 |
hex | 6f26b3933f34 |
122212012212020 has 12 divisors (see below), whose sum is σ = 256645225645284. Its totient is φ = 48884804884800.
The previous prime is 122212012211983. The next prime is 122212012212097. The reversal of 122212012212020 is 20212210212221.
It can be written as a sum of positive squares in 2 ways, for example, as 15716134352164 + 106495877859856 = 3964358^2 + 10319684^2 .
It is a super-2 number, since 2×1222120122120202 (a number of 29 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 6110600610601 = 122212012212020 / (1 + 2 + 2 + 2 + 1 + 2 + 0 + 1 + 2 + 2 + 1 + 2 + 0 + 2 + 0).
It is a junction number, because it is equal to n+sod(n) for n = 122212012211983 and 122212012212001.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3055300305281 + ... + 3055300305320.
It is an arithmetic number, because the mean of its divisors is an integer number (21387102137107).
Almost surely, 2122212012212020 is an apocalyptic number.
122212012212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
122212012212020 is an abundant number, since it is smaller than the sum of its proper divisors (134433213433264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122212012212020 is a wasteful number, since it uses less digits than its factorization.
122212012212020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6110600610610 (or 6110600610608 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 20.
Adding to 122212012212020 its reverse (20212210212221), we get a palindrome (142424222424241).
The spelling of 122212012212020 in words is "one hundred twenty-two trillion, two hundred twelve billion, twelve million, two hundred twelve thousand, twenty".
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