12312332142 has 32 divisors (see below), whose sum is σ = 26958234240. Its totient is φ = 3717820320.

The previous prime is 12312332141. The next prime is 12312332143. The reversal of 12312332142 is 24123321321.

It is an interprime number because it is at equal distance from previous prime (12312332141) and next prime (12312332143).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312332141) 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 15 ways as a sum of consecutive naturals, for example, 310917 + ... + 348272.

It is an arithmetic number, because the mean of its divisors is an integer number (842444820).

Almost surely, 2^12312332142 is an apocalyptic number.

12312332142 is an abundant number, since it is smaller than the sum of its proper divisors (14645902098).

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

12312332142 is a wasteful number, since it uses less digits than its factorization.

12312332142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659488.

The product of its digits is 1728, while the sum is 24.

Adding to 12312332142 its reverse (24123321321), we get a palindrome (36435653463).

The spelling of 12312332142 in words is "twelve billion, three hundred twelve million, three hundred thirty-two thousand, one hundred forty-two".