123111432114112 has 56 divisors (see below), whose sum is σ = 267404473441952. Its totient is φ = 55889174707200.

The previous prime is 123111432114091. The next prime is 123111432114119. The reversal of 123111432114112 is 211411234111321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123111432114119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1212821964 + ... + 1212923467.

It is an arithmetic number, because the mean of its divisors is an integer number (4775079882892).

Almost surely, 2^{123111432114112} is an apocalyptic number.

It is an amenable number.

123111432114112 is an abundant number, since it is smaller than the sum of its proper divisors (144293041327840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123111432114112 is a wasteful number, since it uses less digits than its factorization.

123111432114112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425745517 (or 2425745507 counting only the distinct ones).

The product of its digits is 1152, while the sum is 28.

Adding to 123111432114112 its reverse (211411234111321), we get a palindrome (334522666225433).

The spelling of 123111432114112 in words is "one hundred twenty-three trillion, one hundred eleven billion, four hundred thirty-two million, one hundred fourteen thousand, one hundred twelve".