Search a number
-
+
122102212208 = 2411261677683
BaseRepresentation
bin111000110110111011…
…0111110011001110000
3102200011111212001111212
41301231312332121300
54000031131242313
6132032030055252
711551543451654
oct1615566763160
9380144761455
10122102212208
1147868574289
121b7b794a528
13b68b89b112
145ca460aa64
1532998083a8
hex1c6ddbe670

122102212208 has 20 divisors (see below), whose sum is σ = 236594393448. Its totient is φ = 61045594560.

The previous prime is 122102212201. The next prime is 122102212231. The reversal of 122102212208 is 802212201221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122102212201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158666 + ... + 519017.

Almost surely, 2122102212208 is an apocalyptic number.

It is an amenable number.

122102212208 is a deficient number, since it is larger than the sum of its proper divisors (114492181240).

122102212208 is a wasteful number, since it uses less digits than its factorization.

122102212208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688952 (or 688946 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 122102212208 its reverse (802212201221), we get a palindrome (924314413429).

The spelling of 122102212208 in words is "one hundred twenty-two billion, one hundred two million, two hundred twelve thousand, two hundred eight".

Divisors: 1 2 4 8 16 11261 22522 45044 90088 180176 677683 1355366 2710732 5421464 10842928 7631388263 15262776526 30525553052 61051106104 122102212208