12221010010205 has 16 divisors (see below), whose sum is σ = 14788793965440. Its totient is φ = 9694693303488.

The previous prime is 12221010010201. The next prime is 12221010010219. The reversal of 12221010010205 is 50201001012221.

It is a cyclic number.

It is not a de Polignac number, because 12221010010205 - 2² = 12221010010201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221010010201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16720922 + ... + 17436491.

It is an arithmetic number, because the mean of its divisors is an integer number (924299622840).

Almost surely, 2^{12221010010205} is an apocalyptic number.

It is an amenable number.

12221010010205 is a deficient number, since it is larger than the sum of its proper divisors (2567783955235).

12221010010205 is a wasteful number, since it uses less digits than its factorization.

12221010010205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34158020.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 12221010010205 its reverse (50201001012221), we get a palindrome (62422011022426).

The spelling of 12221010010205 in words is "twelve trillion, two hundred twenty-one billion, ten million, ten thousand, two hundred five".