Search a number
-
+
12112103030212 = 221735917360383
BaseRepresentation
bin1011000001000001000110…
…0110010011110111000100
31120212220110021201002021101
42300100101212103313010
53041421041333431322
641432120123025444
72360033130030253
oct260202146236704
946786407632241
1012112103030212
11394a794442709
1214374a696b284
1369b2217c8963
142dc32c1da79a
151600e497d327
hexb0411993dc4

12112103030212 has 96 divisors (see below), whose sum is σ = 23035143398400. Its totient is φ = 5570725454336.

The previous prime is 12112103030197. The next prime is 12112103030219. The reversal of 12112103030212 is 21203030121121.

It is a self number, because there is not a number n which added to its sum of digits gives 12112103030212.

It is not an unprimeable number, because it can be changed into a prime (12112103030219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 200557773 + ... + 200618155.

It is an arithmetic number, because the mean of its divisors is an integer number (239949410400).

Almost surely, 212112103030212 is an apocalyptic number.

It is an amenable number.

12112103030212 is a deficient number, since it is larger than the sum of its proper divisors (10923040368188).

12112103030212 is a wasteful number, since it uses less digits than its factorization.

12112103030212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60670 (or 60634 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12112103030212 its reverse (21203030121121), we get a palindrome (33315133151333).

The spelling of 12112103030212 in words is "twelve trillion, one hundred twelve billion, one hundred three million, thirty thousand, two hundred twelve".

Divisors: 1 2 4 17 34 59 68 118 173 236 289 346 578 692 1003 1156 2006 2941 4012 4913 5882 9826 10207 11764 17051 19652 20414 34102 40828 49997 60383 68204 99994 120766 173519 199988 241532 289867 347038 579734 694076 849949 1026511 1159468 1699898 2053022 2949823 3399796 3562597 4106044 5899646 7125194 10446259 11799292 14250388 17450687 20892518 34901374 41785036 50146991 60564149 69802748 100293982 121128298 177586403 200587964 242256596 296661679 355172806 593323358 616329281 710345612 1029590533 1186646716 1232658562 2059181066 2465317124 3018968851 4118362132 6037937702 10477597777 12075875404 17503039061 20955195554 35006078122 41910391108 51322470467 70012156244 102644940934 178119162209 205289881868 356238324418 712476648836 3028025757553 6056051515106 12112103030212