12434031312 has 40 divisors (see below), whose sum is σ = 32178985056. Its totient is φ = 4137227136.

The previous prime is 12434031301. The next prime is 12434031343. The reversal of 12434031312 is 21313043421.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205798 + ... + 259269.

Almost surely, 2^12434031312 is an apocalyptic number.

12434031312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12434031312 is an abundant number, since it is smaller than the sum of its proper divisors (19744953744).

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

12434031312 is a wasteful number, since it uses less digits than its factorization.

12434031312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465635 (or 465629 counting only the distinct ones).

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

Adding to 12434031312 its reverse (21313043421), we get a palindrome (33747074733).

The spelling of 12434031312 in words is "twelve billion, four hundred thirty-four million, thirty-one thousand, three hundred twelve".