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12122112021110 = 2571313321002221
BaseRepresentation
bin1011000001100110011000…
…1011100101001001110110
31120220212021211101111120222
42300121212023211021312
53042102041134133420
641440453230254342
72360536144036610
oct260314613451166
946825254344528
1012122112021110
113953a60238713
12143941a9573b2
1369c158313590
142dc9db61ddb0
151604cd515225
hexb06662e5276

12122112021110 has 32 divisors (see below), whose sum is σ = 26855140479552. Its totient is φ = 3836448639360.

The previous prime is 12122112021073. The next prime is 12122112021127. The reversal of 12122112021110 is 1112021122121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6660500201 + ... + 6660502020.

It is an arithmetic number, because the mean of its divisors is an integer number (839223139986).

Almost surely, 212122112021110 is an apocalyptic number.

12122112021110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12122112021110 is an abundant number, since it is smaller than the sum of its proper divisors (14733028458442).

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

12122112021110 is a wasteful number, since it uses less digits than its factorization.

12122112021110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13321002248.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12122112021110 its reverse (1112021122121), we get a palindrome (13234133143231).

The spelling of 12122112021110 in words is "twelve trillion, one hundred twenty-two billion, one hundred twelve million, twenty-one thousand, one hundred ten".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 910 13321002221 26642004442 66605011105 93247015547 133210022210 173173028873 186494031094 346346057746 466235077735 865865144365 932470155470 1212211202111 1731730288730 2424422404222 6061056010555 12122112021110