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122223214212 = 2231117192866667
BaseRepresentation
bin111000111010100010…
…0100011111010000100
3102200110221112121001120
41301311010203322010
54000303120323322
6132052031353540
711554543115331
oct1616504437204
9380427477046
10122223214212
114791a8aa940
121b8303828b0
13b6aa986138
145cb6707988
1532a525aa5c
hex1c75123e84

122223214212 has 96 divisors (see below), whose sum is σ = 346752161280. Its totient is φ = 33023992320.

The previous prime is 122223214207. The next prime is 122223214241. The reversal of 122223214212 is 212412322221.

It is a nude number because it is divisible by every one of its digits.

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 31 ways as a sum of consecutive naturals, for example, 1390698 + ... + 1475969.

It is an arithmetic number, because the mean of its divisors is an integer number (3612001680).

Almost surely, 2122223214212 is an apocalyptic number.

122223214212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122223214212 is an abundant number, since it is smaller than the sum of its proper divisors (224528947068).

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

122223214212 is a wasteful number, since it uses less digits than its factorization.

122223214212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2866721 (or 2866719 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

Adding to 122223214212 its reverse (212412322221), we get a palindrome (334635536433).

The spelling of 122223214212 in words is "one hundred twenty-two billion, two hundred twenty-three million, two hundred fourteen thousand, two hundred twelve".

Divisors: 1 2 3 4 6 11 12 17 19 22 33 34 38 44 51 57 66 68 76 102 114 132 187 204 209 228 323 374 418 561 627 646 748 836 969 1122 1254 1292 1938 2244 2508 3553 3876 7106 10659 14212 21318 42636 2866667 5733334 8600001 11466668 17200002 31533337 34400004 48733339 54466673 63066674 94600011 97466678 108933346 126133348 146200017 163400019 189200022 194933356 217866692 292400034 326800038 378400044 536066729 584800068 599133403 653600076 925933441 1072133458 1198266806 1608200187 1797400209 1851866882 2144266916 2396533612 2777800323 3216400374 3594800418 3703733764 5555600646 6432800748 7189600836 10185267851 11111201292 20370535702 30555803553 40741071404 61111607106 122223214212