123231412112 has 40 divisors (see below), whose sum is σ = 241982559000. Its totient is φ = 60787392512.

The previous prime is 123231412001. The next prime is 123231412123. The reversal of 123231412112 is 211214132321.

123231412112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 47090736016 + 76140676096 = 217004^2 + 275936^2 .

It is a super-2 number, since 2×123231412112² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 543008 + ... + 735744.

It is an arithmetic number, because the mean of its divisors is an integer number (6049563975).

Almost surely, 2^123231412112 is an apocalyptic number.

It is an amenable number.

123231412112 is a deficient number, since it is larger than the sum of its proper divisors (118751146888).

123231412112 is a wasteful number, since it uses less digits than its factorization.

123231412112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193283 (or 193277 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

Adding to 123231412112 its reverse (211214132321), we get a palindrome (334445544433).

The spelling of 123231412112 in words is "one hundred twenty-three billion, two hundred thirty-one million, four hundred twelve thousand, one hundred twelve".