Search a number
BaseRepresentation
bin10110100101000101…
…00011111101001010
31011021211002002010021
423102202203331022
5144311241210442
65322513011054
7606254041321
oct132242437512
934254062107
1012122210122
115160742980
122423853a8a
1311b25836c9
1482dd510b8
154ae360e67
hex2d28a3f4a

12122210122 has 32 divisors (see below), whose sum is σ = 20707259904. Its totient is φ = 5268370800.

The previous prime is 12122210119. The next prime is 12122210131. The reversal of 12122210122 is 22101222121.

Adding to 12122210122 its reverse (22101222121), we get a palindrome (34223432243).

It is a happy number.

12122210122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12122210096 and 12122210105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2371093 + ... + 2376199.

It is an arithmetic number, because the mean of its divisors is an integer number (647101872).

Almost surely, 212122210122 is an apocalyptic number.

12122210122 is a deficient number, since it is larger than the sum of its proper divisors (8585049782).

12122210122 is a wasteful number, since it uses less digits than its factorization.

12122210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9834.

The product of its (nonzero) digits is 64, while the sum is 16.

The spelling of 12122210122 in words is "twelve billion, one hundred twenty-two million, two hundred ten thousand, one hundred twenty-two".