13212230022321 has 32 divisors (see below), whose sum is σ = 20348520582528. Its totient is φ = 7536286679040.

The previous prime is 13212230022301. The next prime is 13212230022331. The reversal of 13212230022321 is 12322003221231.

It is not a de Polignac number, because 13212230022321 - 2¹¹ = 13212230020273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13212230022291 and 13212230022300.

It is not an unprimeable number, because it can be changed into a prime (13212230022301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67195465 + ... + 67391801.

It is an arithmetic number, because the mean of its divisors is an integer number (635891268204).

Almost surely, 2^{13212230022321} is an apocalyptic number.

13212230022321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13212230022321 is a deficient number, since it is larger than the sum of its proper divisors (7136290560207).

13212230022321 is a wasteful number, since it uses less digits than its factorization.

13212230022321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316321.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 13212230022321 its reverse (12322003221231), we get a palindrome (25534233243552).

The spelling of 13212230022321 in words is "thirteen trillion, two hundred twelve billion, two hundred thirty million, twenty-two thousand, three hundred twenty-one".