Base | Representation |
---|---|
bin | 111000110110110111… |
… | …1010110000111111110 |
3 | 102200011101002110001022 |
4 | 1301231233112013332 |
5 | 4000030123242342 |
6 | 132031515144142 |
7 | 11551520452052 |
oct | 1615557260776 |
9 | 380141073038 |
10 | 122100212222 |
11 | 478674286aa |
12 | 1b7b7145052 |
13 | b68b34a9b1 |
14 | 5ca4249c62 |
15 | 32995609d2 |
hex | 1c6dbd61fe |
122100212222 has 8 divisors (see below), whose sum is σ = 183151925472. Its totient is φ = 61049570400.
The previous prime is 122100212219. The next prime is 122100212239. The reversal of 122100212222 is 222212001221.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 122100212222.
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, 143222 + ... + 514502.
It is an arithmetic number, because the mean of its divisors is an integer number (22893990684).
Almost surely, 2122100212222 is an apocalyptic number.
122100212222 is a deficient number, since it is larger than the sum of its proper divisors (61051713250).
122100212222 is a wasteful number, since it uses less digits than its factorization.
122100212222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 535714.
The product of its (nonzero) digits is 128, while the sum is 17.
Adding to 122100212222 its reverse (222212001221), we get a palindrome (344312213443).
The spelling of 122100212222 in words is "one hundred twenty-two billion, one hundred million, two hundred twelve thousand, two hundred twenty-two".
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