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12231222330113 = 32553737572449
BaseRepresentation
bin1011000111111100110110…
…1010011000001100000001
31121022021220220200111100122
42301333031222120030001
53100344020404030423
642002540155030025
72401451043256013
oct261771552301401
947267826614318
1012231222330113
113996261157806
1214565ab73b315
136a95263b61b7
14303dcc5ac1b3
1516326746a8c8
hexb1fcda98301

12231222330113 has 4 divisors (see below), whose sum is σ = 12231260228100. Its totient is φ = 12231184432128.

The previous prime is 12231222330077. The next prime is 12231222330121. The reversal of 12231222330113 is 31103322213221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10517353844209 + 1713868485904 = 3243047^2 + 1309148^2 .

It is a cyclic number.

It is not a de Polignac number, because 12231222330113 - 212 = 12231222326017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12231222330413) 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, 18460688 + ... + 19111761.

It is an arithmetic number, because the mean of its divisors is an integer number (3057815057025).

Almost surely, 212231222330113 is an apocalyptic number.

It is an amenable number.

12231222330113 is a deficient number, since it is larger than the sum of its proper divisors (37897987).

12231222330113 is an equidigital number, since it uses as much as digits as its factorization.

12231222330113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37897986.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 12231222330113 its reverse (31103322213221), we get a palindrome (43334544543334).

The spelling of 12231222330113 in words is "twelve trillion, two hundred thirty-one billion, two hundred twenty-two million, three hundred thirty thousand, one hundred thirteen".

Divisors: 1 325537 37572449 12231222330113