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122232210121 = 717461744303
BaseRepresentation
bin111000111010110011…
…0111000001011001001
3102200111120110122010101
41301311212320023021
54000312421210441
6132052552245401
711555012433430
oct1616546701311
9380446418111
10122232210121
114792499467a
121b8333a0861
13b6ac7b5968
145cb79aa117
1532a5e36231
hex1c759b82c9

122232210121 has 4 divisors (see below), whose sum is σ = 139693954432. Its totient is φ = 104770465812.

The previous prime is 122232210083. The next prime is 122232210127. The reversal of 122232210121 is 121012232221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122232210121 - 211 = 122232208073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122232210127) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8730872145 + ... + 8730872158.

It is an arithmetic number, because the mean of its divisors is an integer number (34923488608).

Almost surely, 2122232210121 is an apocalyptic number.

It is an amenable number.

122232210121 is a deficient number, since it is larger than the sum of its proper divisors (17461744311).

122232210121 is an equidigital number, since it uses as much as digits as its factorization.

122232210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17461744310.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 122232210121 its reverse (121012232221), we get a palindrome (243244442342).

The spelling of 122232210121 in words is "one hundred twenty-two billion, two hundred thirty-two million, two hundred ten thousand, one hundred twenty-one".

Divisors: 1 7 17461744303 122232210121