13212230320123 has 4 divisors (see below), whose sum is σ = 13534479840168. Its totient is φ = 12889980800080.

The previous prime is 13212230320111. The next prime is 13212230320151. The reversal of 13212230320123 is 32102303221231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13212230320123 - 2¹⁷ = 13212230189051 is a prime.

It is a super-2 number, since 2×13212230320123² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13212230320823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161124759961 + ... + 161124760042.

It is an arithmetic number, because the mean of its divisors is an integer number (3383619960042).

Almost surely, 2^{13212230320123} is an apocalyptic number.

13212230320123 is a deficient number, since it is larger than the sum of its proper divisors (322249520045).

13212230320123 is an equidigital number, since it uses as much as digits as its factorization.

13212230320123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322249520044.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 13212230320123 its reverse (32102303221231), we get a palindrome (45314533541354).

The spelling of 13212230320123 in words is "thirteen trillion, two hundred twelve billion, two hundred thirty million, three hundred twenty thousand, one hundred twenty-three".