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12221302330313 = 97510124699629
BaseRepresentation
bin1011000111010111111001…
…1000100101001111001001
31121021100022120110021212122
42301311332120211033021
53100213211344032223
641554215551021025
72400650156540546
oct261657630451711
947240276407778
1012221302330313
11399203061406a
1214546a150a775
136a860515922b
1430372ad11bcd
15162d866115c8
hexb1d7e6253c9

12221302330313 has 8 divisors (see below), whose sum is σ = 12349716201480. Its totient is φ = 12092937868800.

The previous prime is 12221302330273. The next prime is 12221302330351. The reversal of 12221302330313 is 31303320312221.

It can be written as a sum of positive squares in 4 ways, for example, as 1589092190464 + 10632210139849 = 1260592^2 + 3260707^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12221302330313 - 28 = 12221302330057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12221302332313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11855018 + ... + 12844611.

It is an arithmetic number, because the mean of its divisors is an integer number (1543714525185).

Almost surely, 212221302330313 is an apocalyptic number.

It is an amenable number.

12221302330313 is a deficient number, since it is larger than the sum of its proper divisors (128413871167).

12221302330313 is an equidigital number, since it uses as much as digits as its factorization.

12221302330313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24704827.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 12221302330313 its reverse (31303320312221), we get a palindrome (43524622642534).

The spelling of 12221302330313 in words is "twelve trillion, two hundred twenty-one billion, three hundred two million, three hundred thirty thousand, three hundred thirteen".

Divisors: 1 97 5101 494797 24699629 2395864013 125992807529 12221302330313