13200121302321 has 32 divisors (see below), whose sum is σ = 18377177702400. Its totient is φ = 8418166035840.

The previous prime is 13200121302283. The next prime is 13200121302323. The reversal of 13200121302321 is 12320312100231.

It is not a de Polignac number, because 13200121302321 - 2³⁸ = 12925243395377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13200121302323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29634070 + ... + 30076208.

It is an arithmetic number, because the mean of its divisors is an integer number (574286803200).

Almost surely, 2^{13200121302321} is an apocalyptic number.

It is an amenable number.

13200121302321 is a deficient number, since it is larger than the sum of its proper divisors (5177056400079).

13200121302321 is a wasteful number, since it uses less digits than its factorization.

13200121302321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445869.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 13200121302321 its reverse (12320312100231), we get a palindrome (25520433402552).

The spelling of 13200121302321 in words is "thirteen trillion, two hundred billion, one hundred twenty-one million, three hundred two thousand, three hundred twenty-one".