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122101122012 = 22314816870421
BaseRepresentation
bin111000110110111001…
…0110100001111011100
3102200011102210200001020
41301231302310033130
54000030341401022
6132031550444140
711551531261362
oct1615562641734
9380142720036
10122101122012
114786799a1a1
121b7b7503650
13b68b5a8b2c
145ca4405632
15329969035c
hex1c6dcb43dc

122101122012 has 24 divisors (see below), whose sum is σ = 285095031312. Its totient is φ = 40672886400.

The previous prime is 122101121971. The next prime is 122101122019. The reversal of 122101122012 is 210221101221.

It is a junction number, because it is equal to n+sod(n) for n = 122101121982 and 122101122000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122101122019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3417439 + ... + 3452982.

It is an arithmetic number, because the mean of its divisors is an integer number (11878959638).

Almost surely, 2122101122012 is an apocalyptic number.

122101122012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122101122012 is an abundant number, since it is smaller than the sum of its proper divisors (162993909300).

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

122101122012 is a wasteful number, since it uses less digits than its factorization.

122101122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6871909 (or 6871907 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 122101122012 its reverse (210221101221), we get a palindrome (332322223233).

The spelling of 122101122012 in words is "one hundred twenty-two billion, one hundred one million, one hundred twenty-two thousand, twelve".

Divisors: 1 2 3 4 6 12 1481 2962 4443 5924 8886 17772 6870421 13740842 20611263 27481684 41222526 82445052 10175093501 20350187002 30525280503 40700374004 61050561006 122101122012