13123301213321 has 16 divisors (see below), whose sum is σ = 15098655835200. Its totient is φ = 11304959928768.

The previous prime is 13123301213311. The next prime is 13123301213327. The reversal of 13123301213321 is 12331210332131.

It is a cyclic number.

It is not a de Polignac number, because 13123301213321 - 2³⁰ = 13122227471497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13123301213327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 396481766 + ... + 396514863.

It is an arithmetic number, because the mean of its divisors is an integer number (943665989700).

Almost surely, 2^{13123301213321} is an apocalyptic number.

It is an amenable number.

13123301213321 is a deficient number, since it is larger than the sum of its proper divisors (1975354621879).

13123301213321 is a wasteful number, since it uses less digits than its factorization.

13123301213321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792996728.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 13123301213321 its reverse (12331210332131), we get a palindrome (25454511545452).

The spelling of 13123301213321 in words is "thirteen trillion, one hundred twenty-three billion, three hundred one million, two hundred thirteen thousand, three hundred twenty-one".