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122121101222 = 2312298601289
BaseRepresentation
bin111000110111011111…
…1000001111110100110
3102200012211101201100222
41301232333001332212
54000101000214342
6132033543004342
711552163142661
oct1615677017646
9380184351328
10122121101222
11478781a593a
121b8021396b2
13b692782953
145ca6d266d8
15329b2d9ed2
hex1c6efc1fa6

122121101222 has 16 divisors (see below), whose sum is σ = 189916483200. Its totient is φ = 58832809920.

The previous prime is 122121101209. The next prime is 122121101237. The reversal of 122121101222 is 222101121221.

122121101222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 122121101222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4286447 + ... + 4314842.

It is an arithmetic number, because the mean of its divisors is an integer number (11869780200).

Almost surely, 2122121101222 is an apocalyptic number.

122121101222 is a deficient number, since it is larger than the sum of its proper divisors (67795381978).

122121101222 is a wasteful number, since it uses less digits than its factorization.

122121101222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8601551.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122121101222 its reverse (222101121221), we get a palindrome (344222222443).

The spelling of 122121101222 in words is "one hundred twenty-two billion, one hundred twenty-one million, one hundred one thousand, two hundred twenty-two".

Divisors: 1 2 31 62 229 458 7099 14198 8601289 17202578 266639959 533279918 1969695181 3939390362 61060550611 122121101222