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12213310300123 = 71281917133817
BaseRepresentation
bin1011000110111010001000…
…0001011001111111011011
31121020120200121001002111111
42301232202001121333123
53100100324414100443
641550414534041151
72400245133443152
oct261564201317733
947216617032444
1012213310300123
1139896aa29a539
121453030aa91b7
136a793047689a
143031ad720599
15162a69b8c69d
hexb1ba2059fdb

12213310300123 has 4 divisors (see below), whose sum is σ = 12213328146760. Its totient is φ = 12213292453488.

The previous prime is 12213310300117. The next prime is 12213310300133. The reversal of 12213310300123 is 32100301331221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12213310300123 - 221 = 12213308202971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12213310300094 and 12213310300103.

It is not an unprimeable number, because it can be changed into a prime (12213310300133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7854090 + ... + 9279727.

It is an arithmetic number, because the mean of its divisors is an integer number (3053332036690).

Almost surely, 212213310300123 is an apocalyptic number.

12213310300123 is a deficient number, since it is larger than the sum of its proper divisors (17846637).

12213310300123 is an equidigital number, since it uses as much as digits as its factorization.

12213310300123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17846636.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 12213310300123 its reverse (32100301331221), we get a palindrome (44313611631344).

The spelling of 12213310300123 in words is "twelve trillion, two hundred thirteen billion, three hundred ten million, three hundred thousand, one hundred twenty-three".

Divisors: 1 712819 17133817 12213310300123