123002112131112 has 32 divisors (see below), whose sum is σ = 320875075126080. Its totient is φ = 39218064737280.

The previous prime is 123002112131051. The next prime is 123002112131131. The reversal of 123002112131112 is 211131211200321.

It is an unprimeable number.

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, 111414956089 + ... + 111414957192.

It is an arithmetic number, because the mean of its divisors is an integer number (10027346097690).

Almost surely, 2^{123002112131112} is an apocalyptic number.

123002112131112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123002112131112 is an abundant number, since it is smaller than the sum of its proper divisors (197872962994968).

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

123002112131112 is a wasteful number, since it uses less digits than its factorization.

123002112131112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222829913313 (or 222829913309 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 123002112131112 its reverse (211131211200321), we get a palindrome (334133323331433).

The spelling of 123002112131112 in words is "one hundred twenty-three trillion, two billion, one hundred twelve million, one hundred thirty-one thousand, one hundred twelve".