13221201224123 has 8 divisors (see below), whose sum is σ = 13685766639600. Its totient is φ = 12757213270368.

The previous prime is 13221201224083. The next prime is 13221201224137. The reversal of 13221201224123 is 32142210212231.

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 13221201224123 - 2³⁶ = 13152481747387 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13221201224092 and 13221201224101.

It is not an unprimeable number, because it can be changed into a prime (13221201224183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144318836 + ... + 144410417.

It is an arithmetic number, because the mean of its divisors is an integer number (1710720829950).

Almost surely, 2^{13221201224123} is an apocalyptic number.

13221201224123 is a deficient number, since it is larger than the sum of its proper divisors (464565415477).

13221201224123 is a wasteful number, since it uses less digits than its factorization.

13221201224123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288730861.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 13221201224123 its reverse (32142210212231), we get a palindrome (45363411436354).

The spelling of 13221201224123 in words is "thirteen trillion, two hundred twenty-one billion, two hundred one million, two hundred twenty-four thousand, one hundred twenty-three".