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101211112020012 = 223149307184383607
BaseRepresentation
bin10111000000110100001100…
…011000010001100000101100
3111021100200120102020202001220
4113000310030120101200230
5101231220324134120022
6555131424252303340
730214155464355141
oct2700641430214054
9437320512222056
10101211112020012
112a281434192385
12b427484771b50
134462222919c07
141adc90304a3c8
15ba7aeecc585c
hex5c0d0c61182c

101211112020012 has 48 divisors (see below), whose sum is σ = 238518635308800. Its totient is φ = 33401458994112.

The previous prime is 101211112020001. The next prime is 101211112020077. The reversal of 101211112020012 is 210020211112101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 101211112019973 and 101211112020000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91642888 + ... + 92740719.

It is an arithmetic number, because the mean of its divisors is an integer number (4969138235600).

Almost surely, 2101211112020012 is an apocalyptic number.

101211112020012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101211112020012 is an abundant number, since it is smaller than the sum of its proper divisors (137307523288788).

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

101211112020012 is a wasteful number, since it uses less digits than its factorization.

101211112020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184384070 (or 184384068 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 101211112020012 its reverse (210020211112101), we get a palindrome (311231323132113).

The spelling of 101211112020012 in words is "one hundred one trillion, two hundred eleven billion, one hundred twelve million, twenty thousand, twelve".

Divisors: 1 2 3 4 6 12 149 298 307 447 596 614 894 921 1228 1788 1842 3684 45743 91486 137229 182972 274458 548916 184383607 368767214 553150821 737534428 1106301642 2212603284 27473157443 54946314886 56605767349 82419472329 109892629772 113211534698 164838944658 169817302047 226423069396 329677889316 339634604094 679269208188 8434259335001 16868518670002 25302778005003 33737037340004 50605556010006 101211112020012