12221202230213 has 16 divisors (see below), whose sum is σ = 12398746824240. Its totient is φ = 12043934613504.

The previous prime is 12221202230201. The next prime is 12221202230233. The reversal of 12221202230213 is 31203220212221.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 536406830404 + 11684795399809 = 732398^2 + 3418303^2 .

It is a cyclic number.

It is not a de Polignac number, because 12221202230213 - 2¹² = 12221202226117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221202230233) 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, 1171393445 + ... + 1171403877.

It is an arithmetic number, because the mean of its divisors is an integer number (774921676515).

Almost surely, 2^{12221202230213} is an apocalyptic number.

It is an amenable number.

12221202230213 is a deficient number, since it is larger than the sum of its proper divisors (177544594027).

12221202230213 is a wasteful number, since it uses less digits than its factorization.

12221202230213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22088.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12221202230213 its reverse (31203220212221), we get a palindrome (43424422442434).

The spelling of 12221202230213 in words is "twelve trillion, two hundred twenty-one billion, two hundred two million, two hundred thirty thousand, two hundred thirteen".