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12221030322233 = 19510136263941
BaseRepresentation
bin1011000111010110111000…
…1010111101000000111001
31121021022121121121211221022
42301311232022331000321
53100212132230302413
641554132552552225
72400640344524225
oct261655612750071
947238547554838
1012221030322233
113991a010193a7
1214546263b2675
136a85909ac3c5
14303702b47785
15162d6c7d1608
hexb1d6e2bd039

12221030322233 has 4 divisors (see below), whose sum is σ = 12221038537188. Its totient is φ = 12221022107280.

The previous prime is 12221030322167. The next prime is 12221030322247. The reversal of 12221030322233 is 33222303012221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4424409351184 + 7796620971049 = 2103428^2 + 2792243^2 .

It is a cyclic number.

It is not a de Polignac number, because 12221030322233 - 28 = 12221030321977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12221030322733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1180958 + ... + 5082983.

It is an arithmetic number, because the mean of its divisors is an integer number (3055259634297).

Almost surely, 212221030322233 is an apocalyptic number.

It is an amenable number.

12221030322233 is a deficient number, since it is larger than the sum of its proper divisors (8214955).

12221030322233 is an equidigital number, since it uses as much as digits as its factorization.

12221030322233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8214954.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 12221030322233 its reverse (33222303012221), we get a palindrome (45443333334454).

The spelling of 12221030322233 in words is "twelve trillion, two hundred twenty-one billion, thirty million, three hundred twenty-two thousand, two hundred thirty-three".

Divisors: 1 1951013 6263941 12221030322233