123112221332113 has 8 divisors (see below), whose sum is σ = 139560412846400. Its totient is φ = 107660889909648.

The previous prime is 123112221332081. The next prime is 123112221332123. The reversal of 123112221332113 is 311233122211321.

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 123112221332113 - 2⁵ = 123112221332081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123112221332123) 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, 249215022693 + ... + 249215023186.

It is an arithmetic number, because the mean of its divisors is an integer number (17445051605800).

Almost surely, 2^{123112221332113} is an apocalyptic number.

123112221332113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

123112221332113 is a deficient number, since it is larger than the sum of its proper divisors (16448191514287).

123112221332113 is a wasteful number, since it uses less digits than its factorization.

123112221332113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498430045911.

The product of its digits is 2592, while the sum is 28.

Adding to 123112221332113 its reverse (311233122211321), we get a palindrome (434345343543434).

The spelling of 123112221332113 in words is "one hundred twenty-three trillion, one hundred twelve billion, two hundred twenty-one million, three hundred thirty-two thousand, one hundred thirteen".