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12122120211122 = 238891155847371
BaseRepresentation
bin1011000001100110011010…
…1010110100101010110010
31120220212022101210121011202
42300121212222310222302
53042102100233223442
641440454122011202
72360536303460315
oct260314652645262
946825271717152
1012122120211122
113953a64921a19
121439421646b02
1369c159c2033c
142dc9dc75297c
151604ce0d1c32
hexb0666ab4ab2

12122120211122 has 8 divisors (see below), whose sum is σ = 18183647975472. Its totient is φ = 6060904219300.

The previous prime is 12122120211109. The next prime is 12122120211137. The reversal of 12122120211122 is 22111202122121.

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 = 12122120211094 and 12122120211103.

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, 77845904 + ... + 78001467.

It is an arithmetic number, because the mean of its divisors is an integer number (2272955996934).

Almost surely, 212122120211122 is an apocalyptic number.

12122120211122 is a deficient number, since it is larger than the sum of its proper divisors (6061527764350).

12122120211122 is a wasteful number, since it uses less digits than its factorization.

12122120211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155886264.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 12122120211122 its reverse (22111202122121), we get a palindrome (34233322333243).

The spelling of 12122120211122 in words is "twelve trillion, one hundred twenty-two billion, one hundred twenty million, two hundred eleven thousand, one hundred twenty-two".

Divisors: 1 2 38891 77782 155847371 311694742 6061060105561 12122120211122