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12102121201120 = 2554311579111143
BaseRepresentation
bin1011000000011011111010…
…1000101001110111100000
31120211221200122010121221121
42300012332220221313200
53041240121011413440
641423345425502024
72356230562625566
oct260067650516740
946757618117847
1012102121201120
113946531a09785
12143557baa1914
1369a2c0801202
142dba62647a36
1515ec0d4ae34a
hexb01bea29de0

12102121201120 has 96 divisors (see below), whose sum is σ = 28676005585920. Its totient is φ = 4826514731520.

The previous prime is 12102121201061. The next prime is 12102121201127. The reversal of 12102121201120 is 2110212120121.

It is a super-2 number, since 2×121021212011202 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 12102121201094 and 12102121201103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102121201127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108832269 + ... + 108943411.

It is an arithmetic number, because the mean of its divisors is an integer number (298708391520).

Almost surely, 212102121201120 is an apocalyptic number.

12102121201120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12102121201120 is an abundant number, since it is smaller than the sum of its proper divisors (16573884384800).

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

12102121201120 is a wasteful number, since it uses less digits than its factorization.

12102121201120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113168 (or 113160 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12102121201120 its reverse (2110212120121), we get a palindrome (14212333321241).

The spelling of 12102121201120 in words is "twelve trillion, one hundred two billion, one hundred twenty-one million, two hundred one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 431 862 1579 1724 2155 3158 3448 4310 6316 6896 7895 8620 12632 13792 15790 17240 25264 31580 34480 50528 63160 68960 111143 126320 222286 252640 444572 555715 680549 889144 1111430 1361098 1778288 2222860 2722196 3402745 3556576 4445720 5444392 6805490 8891440 10888784 13610980 17782880 21777568 27221960 47902633 54443920 95805266 108887840 175494797 191610532 239513165 350989594 383221064 479026330 701979188 766442128 877473985 958052660 1403958376 1532884256 1754947970 1916105320 2807916752 3509895940 3832210640 5615833504 7019791880 7664421280 14039583760 28079167520 75638257507 151276515014 302553030028 378191287535 605106060056 756382575070 1210212120112 1512765150140 2420424240224 3025530300280 6051060600560 12102121201120