13021312210123 has 8 divisors (see below), whose sum is σ = 15069873082880. Its totient is φ = 11019844690920.

The previous prime is 13021312210099. The next prime is 13021312210157. The reversal of 13021312210123 is 32101221312031.

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 13021312210123 - 2²⁵ = 13021278655691 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13021312210094 and 13021312210103.

It is not an unprimeable number, because it can be changed into a prime (13021312210163) 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, 11773337793 + ... + 11773338898.

It is an arithmetic number, because the mean of its divisors is an integer number (1883734135360).

Almost surely, 2^{13021312210123} is an apocalyptic number.

13021312210123 is a deficient number, since it is larger than the sum of its proper divisors (2048560872757).

13021312210123 is an equidigital number, since it uses as much as digits as its factorization.

13021312210123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23546676777.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 13021312210123 its reverse (32101221312031), we get a palindrome (45122533522154).

The spelling of 13021312210123 in words is "thirteen trillion, twenty-one billion, three hundred twelve million, two hundred ten thousand, one hundred twenty-three".