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12122102020112 = 2473671127326161
BaseRepresentation
bin1011000001100110010110…
…0101011011100000010000
31120220212021010120101210122
42300121211211123200100
53042102031104120422
641440452232045412
72360535663034310
oct260314545334020
946825233511718
1012122102020112
113953a55627827
121439417533868
1369c156221426
142dc9da179440
151604cc6dbd42
hexb066595b810

12122102020112 has 80 divisors (see below), whose sum is σ = 26918352210432. Its totient is φ = 5180373135360.

The previous prime is 12122102020109. The next prime is 12122102020117. The reversal of 12122102020112 is 21102020122121.

It is not an unprimeable number, because it can be changed into a prime (12122102020117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 463352312 + ... + 463378472.

Almost surely, 212122102020112 is an apocalyptic number.

It is an amenable number.

12122102020112 is an abundant number, since it is smaller than the sum of its proper divisors (14796250190320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12122102020112 is a wasteful number, since it uses less digits than its factorization.

12122102020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37816 (or 37810 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12122102020112 its reverse (21102020122121), we get a palindrome (33224122142233).

The spelling of 12122102020112 in words is "twelve trillion, one hundred twenty-two billion, one hundred two million, twenty thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 56 112 367 734 1468 2569 2936 5138 5872 10276 11273 20552 22546 26161 41104 45092 52322 78911 90184 104644 157822 180368 183127 209288 315644 366254 418576 631288 732508 1262576 1465016 2930032 4137191 8274382 9601087 16548764 19202174 28960337 33097528 38404348 57920674 66195056 67207609 76808696 115841348 134415218 153617392 231682696 268830436 294912953 463365392 537660872 589825906 1075321744 1179651812 2064390671 2359303624 4128781342 4718607248 8257562684 16515125368 33030250736 108233053751 216466107502 432932215004 757631376257 865864430008 1515262752514 1731728860016 3030525505028 6061051010056 12122102020112