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122020121212 = 22111011271491451
BaseRepresentation
bin111000110100011110…
…1110100101001111100
3102122221210101101211121
41301220331310221330
53444344122334322
6132015534400324
711546525626423
oct1615075645174
9378853341747
10122020121212
11478261a5090
121b7943600a4
13b677888072
145c9775c2ba
1532924deec7
hex1c68f74a7c

122020121212 has 96 divisors (see below), whose sum is σ = 238862131200. Its totient is φ = 54079200000.

The previous prime is 122020121183. The next prime is 122020121239. The reversal of 122020121212 is 212121020221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84093087 + ... + 84094537.

It is an arithmetic number, because the mean of its divisors is an integer number (2488147200).

Almost surely, 2122020121212 is an apocalyptic number.

It is an amenable number.

122020121212 is a deficient number, since it is larger than the sum of its proper divisors (116842009988).

122020121212 is a wasteful number, since it uses less digits than its factorization.

122020121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1843 (or 1841 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122020121212 its reverse (212121020221), we get a palindrome (334141141433).

The spelling of 122020121212 in words is "one hundred twenty-two billion, twenty million, one hundred twenty-one thousand, two hundred twelve".

Divisors: 1 2 4 11 22 44 101 127 149 202 254 298 404 508 596 1111 1397 1451 1639 2222 2794 2902 3278 4444 5588 5804 6556 12827 15049 15961 18923 25654 30098 31922 37846 51308 60196 63844 75692 141097 146551 165539 184277 208153 216199 282194 293102 331078 368554 416306 432398 564388 586204 662156 737108 832612 864796 1612061 1911223 2027047 2378189 3224122 3822446 4054094 4756378 6448244 7644892 8108188 9512756 18611977 21023453 21836099 27457273 37223954 42046906 43672198 54914546 74447908 84093812 87344396 109829092 204731747 240197089 302030003 409463494 480394178 604060006 818926988 960788356 1208120012 2773184573 5546369146 11092738292 30505030303 61010060606 122020121212