Search a number
-
+
212201201201120 = 2554357175394997
BaseRepresentation
bin110000001111111011110001…
…001101111110111111100000
31000211100020101120021012000122
4300033323301031332333200
5210303201030001413440
62031151515215335412
762461013404324235
oct6017736115767740
91024306346235018
10212201201201120
116168302a00554a
121b972020b21568
139153644ac2a11
143a5884304778c
15197ec90b0a7b5
hexc0fef137efe0

212201201201120 has 96 divisors (see below), whose sum is σ = 513073891316448. Its totient is φ = 82891998701568.

The previous prime is 212201201201113. The next prime is 212201201201201. The reversal of 212201201201120 is 21102102102212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36635462 + ... + 42030458.

It is an arithmetic number, because the mean of its divisors is an integer number (5344519701213).

Almost surely, 2212201201201120 is an apocalyptic number.

212201201201120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212201201201120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256536945658224).

212201201201120 is an abundant number, since it is smaller than the sum of its proper divisors (300872690115328).

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

212201201201120 is a wasteful number, since it uses less digits than its factorization.

212201201201120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5400772 (or 5400764 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212201201201120 its reverse (21102102102212), we get a palindrome (233303303303332).

The spelling of 212201201201120 in words is "two hundred twelve trillion, two hundred one billion, two hundred one million, two hundred one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 43 80 86 160 172 215 344 430 688 860 1376 1720 3440 5717 6880 11434 22868 28585 45736 57170 91472 114340 182944 228680 245831 457360 491662 914720 983324 1229155 1966648 2458310 3933296 4916620 5394997 7866592 9833240 10789994 19666480 21579988 26974985 39332960 43159976 53949970 86319952 107899940 172639904 215799880 231984871 431599760 463969742 863199520 927939484 1159924355 1855878968 2319848710 3711757936 4639697420 7423515872 9279394840 18558789680 30843197849 37117579360 61686395698 123372791396 154215989245 246745582792 308431978490 493491165584 616863956980 986982331168 1233727913960 1326257507507 2467455827920 2652515015014 4934911655840 5305030030028 6631287537535 10610060060056 13262575075070 21220120120112 26525150150140 42440240240224 53050300300280 106100600600560 212201201201120