Search a number
-
+
12222122330 = 2511122990407
BaseRepresentation
bin10110110000111111…
…01100100101011010
31011112210002010220102
423120133230211122
5200012330403310
65340442255402
7611606216465
oct133037544532
934483063812
1012222122330
115202084450
1224511b7562
1311ca196262
1483d31c2dc
154b7ee98a5
hex2d87ec95a

12222122330 has 32 divisors (see below), whose sum is σ = 24019597440. Its totient is φ = 4440742720.

The previous prime is 12222122323. The next prime is 12222122351. The reversal of 12222122330 is 3322122221.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89987 + ... + 180393.

It is an arithmetic number, because the mean of its divisors is an integer number (750612420).

Almost surely, 212222122330 is an apocalyptic number.

12222122330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12222122330 is a deficient number, since it is larger than the sum of its proper divisors (11797475110).

12222122330 is a wasteful number, since it uses less digits than its factorization.

12222122330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91654.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12222122330 its reverse (3322122221), we get a palindrome (15544244551).

The spelling of 12222122330 in words is "twelve billion, two hundred twenty-two million, one hundred twenty-two thousand, three hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 1229 2458 6145 12290 13519 27038 67595 90407 135190 180814 452035 904070 994477 1988954 4972385 9944770 111110203 222220406 555551015 1111102030 1222212233 2444424466 6111061165 12222122330