Search a number
-
+
12202021222222 = 213689476806801
BaseRepresentation
bin1011000110010000000100…
…1000111111011101001110
31121012111112211122111221011
42301210001020333131032
53044404214413102342
641541310421555434
72366365314040456
oct261440110773516
947174484574834
1012202021222222
113984936968197
121450a00275b7a
136a68516a6930
1430281c2c0d66
15162608a4a717
hexb190123f74e

12202021222222 has 16 divisors (see below), whose sum is σ = 19711246140432. Its totient is φ = 5631619593600.

The previous prime is 12202021222217. The next prime is 12202021222229. The reversal of 12202021222222 is 22222212020221.

It is a junction number, because it is equal to n+sod(n) for n = 12202021222193 and 12202021222202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12202021222229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1610779 + ... + 5196022.

It is an arithmetic number, because the mean of its divisors is an integer number (1231952883777).

Almost surely, 212202021222222 is an apocalyptic number.

12202021222222 is a deficient number, since it is larger than the sum of its proper divisors (7509224918210).

12202021222222 is a wasteful number, since it uses less digits than its factorization.

12202021222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6875763.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 12202021222222 its reverse (22222212020221), we get a palindrome (34424233242443).

The spelling of 12202021222222 in words is "twelve trillion, two hundred two billion, twenty-one million, two hundred twenty-two thousand, two hundred twenty-two".

Divisors: 1 2 13 26 68947 137894 896311 1792622 6806801 13613602 88488413 176976826 469308508547 938617017094 6101010611111 12202021222222