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12232222443 = 3277314591823
BaseRepresentation
bin10110110010001100…
…01110011011101011
31011120111002021122200
423121012032123223
5200022422104233
65341442551243
7612061114050
oct133106163353
934514067580
1012232222443
115207852851
122454668523
1311cc2c155c
148407cb027
154b8d42313
hex2d918e6eb

12232222443 has 48 divisors (see below), whose sum is σ = 20494755840. Its totient is φ = 6885585792.

The previous prime is 12232222421. The next prime is 12232222487. The reversal of 12232222443 is 34422223221.

It is not a de Polignac number, because 12232222443 - 213 = 12232214251 is a prime.

It is a super-3 number, since 3×122322224433 (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12232222403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6709030 + ... + 6710852.

It is an arithmetic number, because the mean of its divisors is an integer number (426974080).

Almost surely, 212232222443 is an apocalyptic number.

12232222443 is a deficient number, since it is larger than the sum of its proper divisors (8262533397).

12232222443 is a wasteful number, since it uses less digits than its factorization.

12232222443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3368 (or 3365 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

Adding to 12232222443 its reverse (34422223221), we get a palindrome (46654445664).

The spelling of 12232222443 in words is "twelve billion, two hundred thirty-two million, two hundred twenty-two thousand, four hundred forty-three".

Divisors: 1 3 7 9 21 63 73 219 511 657 1459 1533 1823 4377 4599 5469 10213 12761 13131 16407 30639 38283 91917 106507 114849 133079 319521 399237 745549 931553 958563 1197711 2236647 2659757 2794659 6709941 7979271 8383977 18618299 23937813 55854897 167564691 194162261 582486783 1359135827 1747460349 4077407481 12232222443