Base | Representation |
---|---|
bin | 11011101111101010000010… |
… | …100110100000100010111101 |
3 | 121000001012122202110000110211 |
4 | 123233222002212200202331 |
5 | 111443202442233342341 |
6 | 1111304121430232421 |
7 | 34462546110525313 |
oct | 3357520246404275 |
9 | 530035582400424 |
10 | 122022212012221 |
11 | 35975369628594 |
12 | 1182887bab5711 |
13 | 5311850714a31 |
14 | 221bc998cc0b3 |
15 | e19127690181 |
hex | 6efa829a08bd |
122022212012221 has 8 divisors (see below), whose sum is σ = 125959282565888. Its totient is φ = 118085195844000.
The previous prime is 122022212012201. The next prime is 122022212012231. The reversal of 122022212012221 is 122210212220221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 122022212012221 - 215 = 122022211979453 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 122022212012192 and 122022212012201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122022212012201) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9012120 + ... + 18035041.
It is an arithmetic number, because the mean of its divisors is an integer number (15744910320736).
Almost surely, 2122022212012221 is an apocalyptic number.
It is an amenable number.
122022212012221 is a deficient number, since it is larger than the sum of its proper divisors (3937070553667).
122022212012221 is a wasteful number, since it uses less digits than its factorization.
122022212012221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27192723.
The product of its (nonzero) digits is 512, while the sum is 22.
Adding to 122022212012221 its reverse (122210212220221), we get a palindrome (244232424232442).
The spelling of 122022212012221 in words is "one hundred twenty-two trillion, twenty-two billion, two hundred twelve million, twelve thousand, two hundred twenty-one".
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