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12303310121 = 231992688073
BaseRepresentation
bin10110111010101010…
…11001110100101001
31011202102211220121122
423131111121310221
5200144121410441
65352502345025
7613613260544
oct133525316451
934672756548
1012303310121
115243996aa3
12247442b175
131210c5117b
1484a01385b
154c01d534b
hex2dd559d29

12303310121 has 8 divisors (see below), whose sum is σ = 12902755200. Its totient is φ = 11709241632.

The previous prime is 12303310093. The next prime is 12303310127. The reversal of 12303310121 is 12101330321.

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 12303310121 - 210 = 12303309097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12303310121.

It is not an unprimeable number, because it can be changed into a prime (12303310127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1339460 + ... + 1348613.

It is an arithmetic number, because the mean of its divisors is an integer number (1612844400).

Almost surely, 212303310121 is an apocalyptic number.

It is an amenable number.

12303310121 is a deficient number, since it is larger than the sum of its proper divisors (599445079).

12303310121 is a wasteful number, since it uses less digits than its factorization.

12303310121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2688295.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12303310121 its reverse (12101330321), we get a palindrome (24404640442).

The spelling of 12303310121 in words is "twelve billion, three hundred three million, three hundred ten thousand, one hundred twenty-one".

Divisors: 1 23 199 4577 2688073 61825679 534926527 12303310121