13121322012323 has 16 divisors (see below), whose sum is σ = 15361794201600. Its totient is φ = 10972358030400.

The previous prime is 13121322012301. The next prime is 13121322012413. The reversal of 13121322012323 is 32321022312131.

It is a cyclic number.

It is not a de Polignac number, because 13121322012323 - 2²² = 13121317818019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13121322012292 and 13121322012301.

It is not an unprimeable number, because it can be changed into a prime (13121322014323) 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, 19404878 + ... + 20069676.

It is an arithmetic number, because the mean of its divisors is an integer number (960112137600).

Almost surely, 2^{13121322012323} is an apocalyptic number.

13121322012323 is a deficient number, since it is larger than the sum of its proper divisors (2240472189277).

13121322012323 is an equidigital number, since it uses as much as digits as its factorization.

13121322012323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733618.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 13121322012323 its reverse (32321022312131), we get a palindrome (45442344324454).

The spelling of 13121322012323 in words is "thirteen trillion, one hundred twenty-one billion, three hundred twenty-two million, twelve thousand, three hundred twenty-three".