Base | Representation |
---|---|
bin | 11011110010011010110100… |
… | …000110110010110011011101 |
3 | 121000201100120212202202020210 |
4 | 123302122310012302303131 |
5 | 112004310204401321341 |
6 | 1111531232154203033 |
7 | 34512345545366034 |
oct | 3362326406626335 |
9 | 530640525682223 |
10 | 122212021120221 |
11 | 35a3891095279a |
12 | 11859612723479 |
13 | 532670c62aca6 |
14 | 222714435971b |
15 | e1e0360eac16 |
hex | 6f26b41b2cdd |
122212021120221 has 8 divisors (see below), whose sum is σ = 162951732665280. Its totient is φ = 81473495160992.
The previous prime is 122212021120199. The next prime is 122212021120289. The reversal of 122212021120221 is 122021120212221.
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 122212021120221 - 222 = 122212016925917 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122212021120421) 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, 296155905 + ... + 296568278.
It is an arithmetic number, because the mean of its divisors is an integer number (20368966583160).
Almost surely, 2122212021120221 is an apocalyptic number.
It is an amenable number.
122212021120221 is a deficient number, since it is larger than the sum of its proper divisors (40739711545059).
122212021120221 is an equidigital number, since it uses as much as digits as its factorization.
122212021120221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 592792915.
The product of its (nonzero) digits is 256, while the sum is 21.
Adding to 122212021120221 its reverse (122021120212221), we get a palindrome (244233141332442).
The spelling of 122212021120221 in words is "one hundred twenty-two trillion, two hundred twelve billion, twenty-one million, one hundred twenty thousand, two hundred twenty-one".
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