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12212102202102 = 2321161677283849
BaseRepresentation
bin1011000110110101101000…
…0000111000001011110110
31121020110120101210100120100
42301231122000320023312
53100040341130431402
641550055020214530
72400203163666405
oct261553200701366
947213511710510
1012212102202102
11398913a362620
12145295439a446
136a779a0a849a
143030d70c363c
151629e8aa271c
hexb1b5a0382f6

12212102202102 has 24 divisors (see below), whose sum is σ = 28864968841800. Its totient is φ = 3700637030880.

The previous prime is 12212102202089. The next prime is 12212102202121. The reversal of 12212102202102 is 20120220121221.

It is a happy number.

12212102202102 is a `hidden beast` number, since 1 + 2 + 21 + 210 + 220 + 210 + 2 = 666.

It is a super-4 number, since 4×122121022021024 (a number of 53 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30838641727 + ... + 30838642122.

It is an arithmetic number, because the mean of its divisors is an integer number (1202707035075).

Almost surely, 212212102202102 is an apocalyptic number.

12212102202102 is an abundant number, since it is smaller than the sum of its proper divisors (16652866639698).

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

12212102202102 is a wasteful number, since it uses less digits than its factorization.

12212102202102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61677283868 (or 61677283865 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12212102202102 its reverse (20120220121221), we get a palindrome (32332322323323).

The spelling of 12212102202102 in words is "twelve trillion, two hundred twelve billion, one hundred two million, two hundred two thousand, one hundred two".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 61677283849 123354567698 185031851547 370063703094 555095554641 678450122339 1110191109282 1356900244678 2035350367017 4070700734034 6106051101051 12212102202102