Search a number
-
+
12223122230212 = 2216191887449387
BaseRepresentation
bin1011000111011110101011…
…0110111100101111000100
31121021112000101220210012121
42301313222312330233010
53100230423242331322
641555120321455324
72401043235456265
oct261675266745704
947245011823177
1012223122230212
11399288492a873
121454b0aaa1544
136a88351c5c8a
143038608c896c
15162e4129aec7
hexb1deadbcbc4

12223122230212 has 12 divisors (see below), whose sum is σ = 21403676059920. Its totient is φ = 6107786213096.

The previous prime is 12223122230201. The next prime is 12223122230243. The reversal of 12223122230212 is 21203222132221.

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, 943718218 + ... + 943731169.

It is an arithmetic number, because the mean of its divisors is an integer number (1783639671660).

Almost surely, 212223122230212 is an apocalyptic number.

It is an amenable number.

12223122230212 is a deficient number, since it is larger than the sum of its proper divisors (9180553829708).

12223122230212 is a wasteful number, since it uses less digits than its factorization.

12223122230212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1887451010 (or 1887451008 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 12223122230212 its reverse (21203222132221), we get a palindrome (33426344362433).

The spelling of 12223122230212 in words is "twelve trillion, two hundred twenty-three billion, one hundred twenty-two million, two hundred thirty thousand, two hundred twelve".

Divisors: 1 2 4 1619 3238 6476 1887449387 3774898774 7549797548 3055780557553 6111561115106 12223122230212