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12301330321 = 71757332903
BaseRepresentation
bin10110111010011011…
…10110011110010001
31011202022010022211201
423131031312132101
5200143120032241
65352352111201
7613560403540
oct133515663621
934668108751
1012301330321
1152428645a5
122473835501
131210709ca7
14849a5a157
154bee43931
hex2dd376791

12301330321 has 4 divisors (see below), whose sum is σ = 14058663232. Its totient is φ = 10543997412.

The previous prime is 12301330309. The next prime is 12301330337. The reversal of 12301330321 is 12303310321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12301330321 - 213 = 12301322129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12301330621) 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, 878666445 + ... + 878666458.

It is an arithmetic number, because the mean of its divisors is an integer number (3514665808).

Almost surely, 212301330321 is an apocalyptic number.

It is an amenable number.

12301330321 is a deficient number, since it is larger than the sum of its proper divisors (1757332911).

12301330321 is an equidigital number, since it uses as much as digits as its factorization.

12301330321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1757332910.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 12301330321 its reverse (12303310321), we get a palindrome (24604640642).

The spelling of 12301330321 in words is "twelve billion, three hundred one million, three hundred thirty thousand, three hundred twenty-one".

Divisors: 1 7 1757332903 12301330321