Search a number
-
+
120000201012 = 2232233713728591
BaseRepresentation
bin110111111000010010…
…0011100000100110100
3102110202000112211020100
41233300210130010310
53431230022413022
6131043300434100
711445500610306
oct1576044340464
9373660484210
10120000201012
1146989a9214a
121b30b9a8930
13b415257a03
145b45399976
1531c4ee51ac
hex1bf091c134

120000201012 has 144 divisors (see below), whose sum is σ = 327461202432. Its totient is φ = 36953832960.

The previous prime is 120000200941. The next prime is 120000201019. The reversal of 120000201012 is 210102000021.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 120000200985 and 120000201003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120000201019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4182837 + ... + 4211427.

It is an arithmetic number, because the mean of its divisors is an integer number (2274036128).

Almost surely, 2120000201012 is an apocalyptic number.

120000201012 is a gapful number since it is divisible by the number (12) 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 120000201012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163730601216).

120000201012 is an abundant number, since it is smaller than the sum of its proper divisors (207461001420).

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

120000201012 is a wasteful number, since it uses less digits than its factorization.

120000201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28798 (or 28793 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 120000201012 its reverse (210102000021), we get a palindrome (330102201033).

The spelling of 120000201012 in words is "one hundred twenty billion, two hundred one thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 23 36 37 46 69 74 92 111 137 138 148 207 222 274 276 333 411 414 444 548 666 822 828 851 1233 1332 1644 1702 2466 2553 3151 3404 4932 5069 5106 6302 7659 9453 10138 10212 12604 15207 15318 18906 20276 28359 28591 30414 30636 37812 45621 56718 57182 60828 85773 91242 113436 114364 116587 171546 182484 233174 257319 343092 349761 466348 514638 657593 699522 1029276 1049283 1057867 1315186 1399044 1972779 2098566 2115734 2630372 3173601 3916967 3945558 4197132 4231468 5918337 6347202 7833934 7891116 9520803 11750901 11836674 12694404 15667868 19041606 23501802 23673348 24330941 35252703 38083212 47003604 48661882 70505406 72992823 90090241 97323764 141010812 144927779 145985646 180180482 218978469 270270723 289855558 291971292 360360964 434783337 437956938 540541446 579711116 810812169 869566674 875913876 1081082892 1304350011 1621624338 1739133348 2608700022 3243248676 3333338917 5217400044 6666677834 10000016751 13333355668 20000033502 30000050253 40000067004 60000100506 120000201012