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12101102110012 = 228364609564149
BaseRepresentation
bin1011000000011000000111…
…1001001000010100111100
31120211212001121112102202111
42300012001321020110330
53041231024120010022
641423100343103404
72356163406532516
oct260060171102474
946755047472674
1012101102110012
113946059736523
121435336741b64
1369a18a63b516
142db9a716abb6
1515eb9dcab477
hexb0181e4853c

12101102110012 has 24 divisors (see below), whose sum is σ = 21432442122000. Its totient is φ = 5977549733376.

The previous prime is 12101102110003. The next prime is 12101102110033. The reversal of 12101102110012 is 21001120110121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12101102109974 and 12101102110001.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 21168114 + ... + 21732262.

It is an arithmetic number, because the mean of its divisors is an integer number (893018421750).

Almost surely, 212101102110012 is an apocalyptic number.

It is an amenable number.

12101102110012 is a deficient number, since it is larger than the sum of its proper divisors (9331340011988).

12101102110012 is a wasteful number, since it uses less digits than its factorization.

12101102110012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628845 (or 628843 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12101102110012 its reverse (21001120110121), we get a palindrome (33102222220133).

The spelling of 12101102110012 in words is "twelve trillion, one hundred one billion, one hundred two million, one hundred ten thousand, twelve".

Divisors: 1 2 4 83 166 332 64609 129218 258436 564149 1128298 2256596 5362547 10725094 21450188 46824367 93648734 187297468 36449102741 72898205482 145796410964 3025275527503 6050551055006 12101102110012