Search a number
-
+
122102100222 = 234713714232221
BaseRepresentation
bin111000110110111011…
…0100011000011111110
3102200011111122100220020
41301231312203003332
54000031114201342
6132032023433010
711551542504324
oct1615566430376
9380144570806
10122102100222
11478684a8133
121b7b78b5766
13b68b85c15b
145ca45bbd14
1532997d50ec
hex1c6dda30fe

122102100222 has 64 divisors (see below), whose sum is σ = 251510206464. Its totient is φ = 39498382080.

The previous prime is 122102100209. The next prime is 122102100223. The reversal of 122102100222 is 222001201221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122102100223) 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, 54975072 + ... + 54977292.

It is an arithmetic number, because the mean of its divisors is an integer number (3929846976).

Almost surely, 2122102100222 is an apocalyptic number.

122102100222 is an abundant number, since it is smaller than the sum of its proper divisors (129408106242).

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

122102100222 is a wasteful number, since it uses less digits than its factorization.

122102100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3833.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 122102100222 its reverse (222001201221), we get a palindrome (344103301443).

The spelling of 122102100222 in words is "one hundred twenty-two billion, one hundred two million, one hundred thousand, two hundred twenty-two".

Divisors: 1 2 3 6 47 94 137 141 274 282 411 822 1423 2221 2846 4269 4442 6439 6663 8538 12878 13326 19317 38634 66881 104387 133762 194951 200643 208774 304277 313161 389902 401286 584853 608554 626322 912831 1169706 1825662 3160483 6320966 9162697 9481449 14301019 18325394 18962898 27488091 28602038 42903057 54976182 85806114 148542701 297085402 432986171 445628103 865972342 891256206 1298958513 2597917026 20350350037 40700700074 61051050111 122102100222