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12212020122110 = 2517271439135571
BaseRepresentation
bin1011000110110101010100…
…0111110001000111111110
31121020110100200100020222122
42301231111013301013332
53100040204122401420
641550042525042542
72400201146221214
oct261552507610776
947213320306878
1012212020122110
1139890a7aa0716
1214529309b6452
136a778609a443
143030ca238cb4
151629e178c725
hexb1b551f11fe

12212020122110 has 96 divisors (see below), whose sum is σ = 23733733224960. Its totient is φ = 4522354905600.

The previous prime is 12212020122077. The next prime is 12212020122119. The reversal of 12212020122110 is 1122102021221.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212020122119) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 90010625 + ... + 90146195.

It is an arithmetic number, because the mean of its divisors is an integer number (247226387760).

Almost surely, 212212020122110 is an apocalyptic number.

12212020122110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12212020122110 is a deficient number, since it is larger than the sum of its proper divisors (11521713102850).

12212020122110 is a wasteful number, since it uses less digits than its factorization.

12212020122110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136122 (or 136105 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12212020122110 its reverse (1122102021221), we get a palindrome (13334122143331).

The spelling of 12212020122110 in words is "twelve trillion, two hundred twelve billion, twenty million, one hundred twenty-two thousand, one hundred ten".

Divisors: 1 2 5 10 17 34 71 85 142 170 289 355 439 578 710 878 1207 1445 2195 2414 2890 4390 6035 7463 12070 14926 20519 31169 37315 41038 62338 74630 102595 126871 135571 155845 205190 253742 271142 311690 529873 634355 677855 1059746 1268710 1355710 2304707 2649365 4609414 5298730 9007841 9625541 11523535 18015682 19251082 23047070 39180019 45039205 48127705 59515669 78360038 90078410 96255410 119031338 163634197 195900095 297578345 327268394 391800190 595156690 818170985 1011766373 1636341970 2023532746 2781781349 4225612499 5058831865 5563562698 8451224998 10117663730 13908906745 17200028341 21128062495 27817813490 34400056682 42256124990 71835412483 86000141705 143670824966 172000283410 359177062415 718354124830 1221202012211 2442404024422 6106010061055 12212020122110