112103213312123 has 128 divisors (see below), whose sum is σ = 137377341702144. Its totient is φ = 90229531392000.

The previous prime is 112103213312119. The next prime is 112103213312137. The reversal of 112103213312123 is 321213312301211.

It is not a de Polignac number, because 112103213312123 - 2² = 112103213312119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112103213312092 and 112103213312101.

It is not an unprimeable number, because it can be changed into a prime (112103213312143) 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 127 ways as a sum of consecutive naturals, for example, 29323360190 + ... + 29323364012.

It is an arithmetic number, because the mean of its divisors is an integer number (1073260482048).

Almost surely, 2^{112103213312123} is an apocalyptic number.

112103213312123 is a deficient number, since it is larger than the sum of its proper divisors (25274128390021).

112103213312123 is a wasteful number, since it uses less digits than its factorization.

112103213312123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4465.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 112103213312123 its reverse (321213312301211), we get a palindrome (433316525613334).

The spelling of 112103213312123 in words is "one hundred twelve trillion, one hundred three billion, two hundred thirteen million, three hundred twelve thousand, one hundred twenty-three".