13212204220123 has 8 divisors (see below), whose sum is σ = 13639011685376. Its totient is φ = 12785434713000.

The previous prime is 13212204220121. The next prime is 13212204220141. The reversal of 13212204220123 is 32102240221231.

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 13212204220123 - 2¹ = 13212204220121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13212204220121) 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, 8781303 + ... + 10175248.

It is an arithmetic number, because the mean of its divisors is an integer number (1704876460672).

Almost surely, 2^{13212204220123} is an apocalyptic number.

13212204220123 is a deficient number, since it is larger than the sum of its proper divisors (426807465253).

13212204220123 is a wasteful number, since it uses less digits than its factorization.

13212204220123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18979065.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 13212204220123 its reverse (32102240221231), we get a palindrome (45314444441354).

The spelling of 13212204220123 in words is "thirteen trillion, two hundred twelve billion, two hundred four million, two hundred twenty thousand, one hundred twenty-three".