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12221303120131 = 77124590147123
BaseRepresentation
bin1011000111010111111001…
…1011100110000100000011
31121021100022121221102022011
42301311332123212010003
53100213212044321011
641554220015553351
72400650166340330
oct261657633460403
947240277842264
1012221303120131
113992031003506
1214546a182b857
136a8605374891
1430372b079987
15162d8671a621
hexb1d7e6e6103

12221303120131 has 8 divisors (see below), whose sum is σ = 14163924743424. Its totient is φ = 10327861791240.

The previous prime is 12221303120111. The next prime is 12221303120149. The reversal of 12221303120131 is 13102130312221.

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

It is not a de Polignac number, because 12221303120131 - 211 = 12221303118083 is a prime.

It is a super-2 number, since 2×122213031201312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12221303120101) 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, 12295073065 + ... + 12295074058.

It is an arithmetic number, because the mean of its divisors is an integer number (1770490592928).

Almost surely, 212221303120131 is an apocalyptic number.

12221303120131 is a deficient number, since it is larger than the sum of its proper divisors (1942621623293).

12221303120131 is an equidigital number, since it uses as much as digits as its factorization.

12221303120131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24590147201.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12221303120131 its reverse (13102130312221), we get a palindrome (25323433432352).

The spelling of 12221303120131 in words is "twelve trillion, two hundred twenty-one billion, three hundred three million, one hundred twenty thousand, one hundred thirty-one".

Divisors: 1 7 71 497 24590147123 172131029861 1745900445733 12221303120131