Search a number
-
+
12022203331220 = 2253673497332909
BaseRepresentation
bin1010111011110010001100…
…1010001011001010010100
31120120022102000120012021012
42232330203022023022110
53033432433023044340
641322531324311352
72350401256141415
oct256744312131224
946508360505235
1012022203331220
1139156513a9215
121421b976a2558
136928c56c41b4
142d7c4076b80c
1515cad2315565
hexaef2328b294

12022203331220 has 48 divisors (see below), whose sum is σ = 25259346216720. Its totient is φ = 4806459288576.

The previous prime is 12022203331207. The next prime is 12022203331223. The reversal of 12022203331220 is 2213330222021.

It can be written as a sum of positive squares in 8 ways, for example, as 44637548176 + 11977565783044 = 211276^2 + 3460862^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022203331223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365300126 + ... + 365333034.

It is an arithmetic number, because the mean of its divisors is an integer number (526236379515).

Almost surely, 212022203331220 is an apocalyptic number.

12022203331220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12022203331220 is an abundant number, since it is smaller than the sum of its proper divisors (13237142885500).

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

12022203331220 is a wasteful number, since it uses less digits than its factorization.

12022203331220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41564 (or 41562 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 12022203331220 its reverse (2213330222021), we get a palindrome (14235533553241).

The spelling of 12022203331220 in words is "twelve trillion, twenty-two billion, two hundred three million, three hundred thirty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 3673 4973 7346 9946 14692 18365 19892 24865 32909 36730 49730 65818 73460 99460 131636 164545 329090 658180 18265829 36531658 73063316 91329145 120874757 163656457 182658290 241749514 327312914 365316580 483499028 604373785 654625828 818282285 1208747570 1636564570 2417495140 3273129140 601110166561 1202220333122 2404440666244 3005550832805 6011101665610 12022203331220