Search a number
-
+
122121212200212 = 22310176767683351
BaseRepresentation
bin11011110001000110001111…
…011110010000010100010100
3121000101200012020202122111010
4123301012033132100110110
5112001313220310401322
61111421413240012220
734502652324325101
oct3361061736202424
9530350166678433
10122121212200212
1135a03351659075
1211843aaaa61070
13531ac9a051a24
1422229abc4daa8
15e1b9bdc3420c
hex6f118f790514

122121212200212 has 12 divisors (see below), whose sum is σ = 284949495133856. Its totient is φ = 40707070733400.

The previous prime is 122121212200153. The next prime is 122121212200231. The reversal of 122121212200212 is 212002212121221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5088383841664 + ... + 5088383841687.

Almost surely, 2122121212200212 is an apocalyptic number.

122121212200212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122121212200212 is an abundant number, since it is smaller than the sum of its proper divisors (162828282933644).

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

122121212200212 is a wasteful number, since it uses less digits than its factorization.

122121212200212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10176767683358 (or 10176767683356 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 122121212200212 its reverse (212002212121221), we get a palindrome (334123424321433).

The spelling of 122121212200212 in words is "one hundred twenty-two trillion, one hundred twenty-one billion, two hundred twelve million, two hundred thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 10176767683351 20353535366702 30530303050053 40707070733404 61060606100106 122121212200212