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12221320203201 = 316724393852701
BaseRepresentation
bin1011000111010111111101…
…1100110000101111000001
31121021100100211002022212110
42301311333130300233001
53100213230433000301
641554221430045533
72400650464500234
oct261657734605701
947240324068773
1012221320203201
11399203a71124a
1214546a74a98a9
136a8608a763c5
1430372d44541b
15162d87e920d6
hexb1d7f730bc1

12221320203201 has 8 divisors (see below), whose sum is σ = 16392669015744. Its totient is φ = 8098759096400.

The previous prime is 12221320203181. The next prime is 12221320203233. The reversal of 12221320203201 is 10230202312221.

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 12221320203201 - 213 = 12221320195009 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12221320203251) 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, 12196925850 + ... + 12196926851.

It is an arithmetic number, because the mean of its divisors is an integer number (2049083626968).

Almost surely, 212221320203201 is an apocalyptic number.

It is an amenable number.

12221320203201 is a deficient number, since it is larger than the sum of its proper divisors (4171348812543).

12221320203201 is a wasteful number, since it uses less digits than its factorization.

12221320203201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24393852871.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12221320203201 its reverse (10230202312221), we get a palindrome (22451522515422).

The spelling of 12221320203201 in words is "twelve trillion, two hundred twenty-one billion, three hundred twenty million, two hundred three thousand, two hundred one".

Divisors: 1 3 167 501 24393852701 73181558103 4073773401067 12221320203201