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12100022011112 = 2372811367562501
BaseRepresentation
bin1011000000010100000110…
…0000111000010011101000
31120211202021100010201121112
42300011001200320103220
53041221321113323422
641422401240525452
72356124553044240
oct260050140702350
946752240121545
1012100022011112
113945654a84202
121435094a80888
1369a047937c49
142db90392cb20
1515eb39056ee2
hexb01418384e8

12100022011112 has 64 divisors (see below), whose sum is σ = 26039972586240. Its totient is φ = 5163480000000.

The previous prime is 12100022011093. The next prime is 12100022011139. The reversal of 12100022011112 is 21111022000121.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 21229862 + ... + 21792362.

It is an arithmetic number, because the mean of its divisors is an integer number (406874571660).

Almost surely, 212100022011112 is an apocalyptic number.

It is an amenable number.

12100022011112 is an abundant number, since it is smaller than the sum of its proper divisors (13939950575128).

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

12100022011112 is a wasteful number, since it uses less digits than its factorization.

12100022011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564162 (or 564158 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12100022011112 its reverse (21111022000121), we get a palindrome (33211044011233).

The spelling of 12100022011112 in words is "twelve trillion, one hundred billion, twenty-two million, eleven thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 281 562 1124 1367 1967 2248 2734 3934 5468 7868 9569 10936 15736 19138 38276 76552 384127 562501 768254 1125002 1536508 2250004 2688889 3073016 3937507 4500008 5377778 7875014 10755556 15750028 21511112 31500056 158062781 316125562 632251124 768938867 1106439467 1264502248 1537877734 2212878934 3075755468 4425757868 5382572069 6151510936 8851515736 10765144138 21530288276 43060576552 216071821627 432143643254 864287286508 1512502751389 1728574573016 3025005502778 6050011005556 12100022011112