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12122102019902 = 271914799464137
BaseRepresentation
bin1011000001100110010110…
…0101011011011100111110
31120220212021010120101111212
42300121211211123130332
53042102031104114102
641440452232044422
72360535663033560
oct260314545333476
946825233511455
1012122102019902
113953a55627656
121439417533712
1369c1562212c4
142dc9da179330
151604cc6dbc52
hexb066595b73e

12122102019902 has 32 divisors (see below), whose sum is σ = 20933158993920. Its totient is φ = 5157196989120.

The previous prime is 12122102019901. The next prime is 12122102020009. The reversal of 12122102019902 is 20991020122121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122102019901) 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, 3451223 + ... + 6012914.

It is an arithmetic number, because the mean of its divisors is an integer number (654161218560).

Almost surely, 212122102019902 is an apocalyptic number.

12122102019902 is a deficient number, since it is larger than the sum of its proper divisors (8811056974018).

12122102019902 is a wasteful number, since it uses less digits than its factorization.

12122102019902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9464816.

The product of its (nonzero) digits is 2592, while the sum is 32.

The spelling of 12122102019902 in words is "twelve trillion, one hundred twenty-two billion, one hundred two million, nineteen thousand, nine hundred two".

Divisors: 1 2 7 14 191 382 479 958 1337 2674 3353 6706 91489 182978 640423 1280846 9464137 18928274 66248959 132497918 1807650167 3615300334 4533321623 9066643246 12653551169 25307102338 31733251361 63466502722 865864429993 1731728859986 6061051009951 12122102019902