13122212100321 has 8 divisors (see below), whose sum is σ = 17497732296384. Its totient is φ = 8747416652240.

The previous prime is 13122212100317. The next prime is 13122212100341. The reversal of 13122212100321 is 12300121222131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13122212100321 - 2² = 13122212100317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13122212100301) 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 7 ways as a sum of consecutive naturals, for example, 181144746 + ... + 181217171.

It is an arithmetic number, because the mean of its divisors is an integer number (2187216537048).

Almost surely, 2^{13122212100321} is an apocalyptic number.

It is an amenable number.

13122212100321 is a deficient number, since it is larger than the sum of its proper divisors (4375520196063).

13122212100321 is a wasteful number, since it uses less digits than its factorization.

13122212100321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362373991.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 13122212100321 its reverse (12300121222131), we get a palindrome (25422333322452).

The spelling of 13122212100321 in words is "thirteen trillion, one hundred twenty-two billion, two hundred twelve million, one hundred thousand, three hundred twenty-one".