12211221230313 has 24 divisors (see below), whose sum is σ = 19936687727520. Its totient is φ = 6610585927680.

The previous prime is 12211221230293. The next prime is 12211221230317. The reversal of 12211221230313 is 31303212211221.

It is not a de Polignac number, because 12211221230313 - 2⁸ = 12211221230057 is a prime.

It is a super-2 number, since 2×12211221230313² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12211221230317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2186037528 + ... + 2186043113.

It is an arithmetic number, because the mean of its divisors is an integer number (830695321980).

Almost surely, 2^{12211221230313} is an apocalyptic number.

It is an amenable number.

12211221230313 is a deficient number, since it is larger than the sum of its proper divisors (7725466497207).

12211221230313 is a wasteful number, since it uses less digits than its factorization.

12211221230313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4372080677 (or 4372080670 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 12211221230313 its reverse (31303212211221), we get a palindrome (43514433441534).

The spelling of 12211221230313 in words is "twelve trillion, two hundred eleven billion, two hundred twenty-one million, two hundred thirty thousand, three hundred thirteen".