12445234512 has 40 divisors (see below), whose sum is σ = 32154209856. Its totient is φ = 4147892736.

The previous prime is 12445234507. The next prime is 12445234513. The reversal of 12445234512 is 21543254421.

12445234512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×12445234512³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12445234513) by changing a digit.

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, 678648 + ... + 696744.

Almost surely, 2^12445234512 is an apocalyptic number.

12445234512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12445234512 is an abundant number, since it is smaller than the sum of its proper divisors (19708975344).

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

12445234512 is a wasteful number, since it uses less digits than its factorization.

12445234512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32435 (or 32429 counting only the distinct ones).

The product of its digits is 38400, while the sum is 33.

Adding to 12445234512 its reverse (21543254421), we get a palindrome (33988488933).

The spelling of 12445234512 in words is "twelve billion, four hundred forty-five million, two hundred thirty-four thousand, five hundred twelve".