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12221103323201 = 19822178240599
BaseRepresentation
bin1011000111010111001010…
…0001011011100001000001
31121021022210200222200102212
42301311302201123201001
53100212304422320301
641554144121351505
72400642222160103
oct261656241334101
947238720880385
1012221103323201
113991a3924a083
121454646938595
136a85a2b5bb46
1430370c70b573
15162d73e014bb
hexb1d7285b841

12221103323201 has 8 divisors (see below), whose sum is σ = 12865884264000. Its totient is φ = 11576478880080.

The previous prime is 12221103323189. The next prime is 12221103323249. The reversal of 12221103323201 is 10232330112221.

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 12221103323201 - 242 = 7823056812097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12221103353201) 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, 38964101 + ... + 39276498.

It is an arithmetic number, because the mean of its divisors is an integer number (1608235533000).

Almost surely, 212221103323201 is an apocalyptic number.

It is an amenable number.

12221103323201 is a deficient number, since it is larger than the sum of its proper divisors (644780940799).

12221103323201 is an equidigital number, since it uses as much as digits as its factorization.

12221103323201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78248839.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12221103323201 its reverse (10232330112221), we get a palindrome (22453433435422).

The spelling of 12221103323201 in words is "twelve trillion, two hundred twenty-one billion, one hundred three million, three hundred twenty-three thousand, two hundred one".

Divisors: 1 19 8221 156199 78240599 1486571381 643215964379 12221103323201