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12321310201 = 174117677633
BaseRepresentation
bin10110111100110100…
…00100010111111001
31011210200201102002021
423132122010113321
5200213223411301
65354344234441
7614222260114
oct133632042771
934720642067
1012321310201
1152530707a2
12247a46ba21
1312148b41c5
1484c57b57b
154c1a8d8a1
hex2de6845f9

12321310201 has 8 divisors (see below), whose sum is σ = 13364291304. Its totient is φ = 11313684480.

The previous prime is 12321310181. The next prime is 12321310207. The reversal of 12321310201 is 10201312321.

It can be written as a sum of positive squares in 4 ways, for example, as 22278400 + 12299031801 = 4720^2 + 110901^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12321310201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12321310207) 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, 8838120 + ... + 8839513.

It is an arithmetic number, because the mean of its divisors is an integer number (1670536413).

Almost surely, 212321310201 is an apocalyptic number.

It is an amenable number.

12321310201 is a deficient number, since it is larger than the sum of its proper divisors (1042981103).

12321310201 is a wasteful number, since it uses less digits than its factorization.

12321310201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17677691.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12321310201 its reverse (10201312321), we get a palindrome (22522622522).

The spelling of 12321310201 in words is "twelve billion, three hundred twenty-one million, three hundred ten thousand, two hundred one".

Divisors: 1 17 41 697 17677633 300519761 724782953 12321310201