Search a number
-
+
12213012202206 = 2310321972294253
BaseRepresentation
bin1011000110111001000001…
…0000010000001011011110
31121020112220211010011000220
42301232100100100023132
53100044222110432311
641550325204502210
72400234553605054
oct261562020201336
947215824104026
1012213012202206
113989566aa5122
121452b690aa966
136a78b379379a
14303181cc41d4
15162a4d907206
hexb1b904102de

12213012202206 has 96 divisors (see below), whose sum is σ = 24904788780960. Its totient is φ = 3992561056512.

The previous prime is 12213012202189. The next prime is 12213012202217. The reversal of 12213012202206 is 60220221031221.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2871620776 + ... + 2871625028.

It is an arithmetic number, because the mean of its divisors is an integer number (259424883135).

Almost surely, 212213012202206 is an apocalyptic number.

12213012202206 is an abundant number, since it is smaller than the sum of its proper divisors (12691776578754).

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

12213012202206 is a wasteful number, since it uses less digits than its factorization.

12213012202206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4890 (or 4787 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 12213012202206 its reverse (60220221031221), we get a palindrome (72433233233427).

The spelling of 12213012202206 in words is "twelve trillion, two hundred thirteen billion, twelve million, two hundred two thousand, two hundred six".

Divisors: 1 2 3 6 103 197 206 229 309 394 458 591 618 687 1182 1374 4253 8506 10609 12759 20291 21218 23587 25518 31827 40582 45113 47174 60873 63654 70761 90226 121746 135339 141522 270678 438059 837841 876118 973937 1314177 1675682 1947874 2089973 2429461 2513523 2628354 2921811 4179946 4646639 4858922 5027046 5843622 6269919 7288383 9293278 12539838 13939917 14576766 27879834 45120077 86297623 90240154 100315511 135360231 172595246 191865589 200631022 258892869 270720462 300946533 383731178 478603817 517785738 575596767 601893066 957207634 1151193534 1435811451 2871622902 8888655169 10332497633 17777310338 19762155667 20664995266 26665965507 30997492899 39524311334 53331931014 59286467001 61994985798 118572934002 2035502033701 4071004067402 6106506101103 12213012202206