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12222103212444 = 2236722799767169
BaseRepresentation
bin1011000111011010111000…
…0111101101000110011100
31121021102101101110022121210
42301312232013231012130
53100221331410244234
641554431240424420
72401006053120066
oct261665607550634
947242341408553
1012222103212444
1139924016a7724
121454885778110
136a870205a798
143037a542a736
15162dd1aaebe9
hexb1dae1ed19c

12222103212444 has 96 divisors (see below), whose sum is σ = 29100984433920. Its totient is φ = 3991481505792.

The previous prime is 12222103212437. The next prime is 12222103212467. The reversal of 12222103212444 is 44421230122221.

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, 181926892 + ... + 181994060.

It is an arithmetic number, because the mean of its divisors is an integer number (303135254520).

Almost surely, 212222103212444 is an apocalyptic number.

It is an amenable number.

12222103212444 is an abundant number, since it is smaller than the sum of its proper divisors (16878881221476).

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

12222103212444 is a wasteful number, since it uses less digits than its factorization.

12222103212444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68467 (or 68465 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 12222103212444 its reverse (44421230122221), we get a palindrome (56643333334665).

The spelling of 12222103212444 in words is "twelve trillion, two hundred twenty-two billion, one hundred three million, two hundred twelve thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 67 134 201 227 268 402 454 681 804 908 997 1362 1994 2724 2991 3988 5982 11964 15209 30418 45627 60836 66799 67169 91254 133598 134338 182508 200397 201507 226319 267196 268676 400794 403014 452638 678957 801588 806028 905276 1357914 2715828 4500323 9000646 13500969 15163373 15247363 18001292 27001938 30326746 30494726 45490119 45742089 54003876 60653492 60989452 66967493 90980238 91484178 133934986 181960476 182968356 200902479 267869972 401804958 803609916 1021573321 2043146642 3064719963 4086293284 4486822031 6129439926 8973644062 12258879852 13460466093 15201620911 17947288124 26920932186 30403241822 45604862733 53841864372 60806483644 91209725466 182419450932 1018508601037 2037017202074 3055525803111 4074034404148 6111051606222 12222103212444