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12210211003123 = 72118266899799
BaseRepresentation
bin1011000110101110100101…
…0010100001101011110011
31121020021200121011111021201
42301223221102201223303
53100023003004044443
641545143221232031
72400105261033640
oct261535122415363
947207617144251
1012210211003123
113988359878861
121452506b62617
136a7558336833
14302d97c6adc7
15162937a3234d
hexb1ae94a1af3

12210211003123 has 8 divisors (see below), whose sum is σ = 14020662060800. Its totient is φ = 10416293745480.

The previous prime is 12210211003117. The next prime is 12210211003259. The reversal of 12210211003123 is 32130011201221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12210211003123 - 241 = 10011187747571 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12210211003123.

It is not an unprimeable number, because it can be changed into a prime (12210211001123) by changing a digit.

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, 4133448423 + ... + 4133451376.

It is an arithmetic number, because the mean of its divisors is an integer number (1752582757600).

Almost surely, 212210211003123 is an apocalyptic number.

12210211003123 is a deficient number, since it is larger than the sum of its proper divisors (1810451057677).

12210211003123 is an equidigital number, since it uses as much as digits as its factorization.

12210211003123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8266900017.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12210211003123 its reverse (32130011201221), we get a palindrome (44340222204344).

The spelling of 12210211003123 in words is "twelve trillion, two hundred ten billion, two hundred eleven million, three thousand, one hundred twenty-three".

Divisors: 1 7 211 1477 8266899799 57868298593 1744315857589 12210211003123