Base | Representation |
---|---|
bin | 10001101000111101011… |
… | …010000001101001001010 |
3 | 11021212221001212200210121 |
4 | 101220331122001221022 |
5 | 124330102004310442 |
6 | 2324514304533454 |
7 | 153402501401440 |
oct | 21507532015112 |
9 | 4255831780717 |
10 | 1212211010122 |
11 | 4281065707a2 |
12 | 176b2702128a |
13 | 8a407390098 |
14 | 42958192b90 |
15 | 217ebc3c967 |
hex | 11a3d681a4a |
1212211010122 has 8 divisors (see below), whose sum is σ = 2078076017376. Its totient is φ = 519519004332.
The previous prime is 1212211010117. The next prime is 1212211010149. The reversal of 1212211010122 is 2210101122121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 1212211010096 and 1212211010105.
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, 43293250348 + ... + 43293250375.
It is an arithmetic number, because the mean of its divisors is an integer number (259759502172).
Almost surely, 21212211010122 is an apocalyptic number.
1212211010122 is a deficient number, since it is larger than the sum of its proper divisors (865865007254).
1212211010122 is an equidigital number, since it uses as much as digits as its factorization.
1212211010122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 86586500732.
The product of its (nonzero) digits is 32, while the sum is 16.
Adding to 1212211010122 its reverse (2210101122121), we get a palindrome (3422312132243).
The spelling of 1212211010122 in words is "one trillion, two hundred twelve billion, two hundred eleven million, ten thousand, one hundred twenty-two".
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