Base | Representation |
---|---|
bin | 111000110011111010… |
… | …1101100001100110101 |
3 | 102122220110210201120022 |
4 | 1301213311230030311 |
5 | 3444324302242323 |
6 | 132014021214525 |
7 | 11546206123226 |
oct | 1614765541465 |
9 | 378813721508 |
10 | 122001212213 |
11 | 4781655a511 |
12 | 1b789b61445 |
13 | b6739973ca |
14 | 5c9503924d |
15 | 3290a074c8 |
hex | 1c67d6c335 |
122001212213 has 4 divisors (see below), whose sum is σ = 127305612768. Its totient is φ = 116696811660.
The previous prime is 122001212191. The next prime is 122001212219. The reversal of 122001212213 is 312212100221.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 122001212213 - 28 = 122001211957 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 122001212191 and 122001212200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122001212219) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2652200243 + ... + 2652200288.
It is an arithmetic number, because the mean of its divisors is an integer number (31826403192).
Almost surely, 2122001212213 is an apocalyptic number.
It is an amenable number.
122001212213 is a deficient number, since it is larger than the sum of its proper divisors (5304400555).
122001212213 is an equidigital number, since it uses as much as digits as its factorization.
122001212213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5304400554.
The product of its (nonzero) digits is 96, while the sum is 17.
Adding to 122001212213 its reverse (312212100221), we get a palindrome (434213312434).
The spelling of 122001212213 in words is "one hundred twenty-two billion, one million, two hundred twelve thousand, two hundred thirteen".
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