12432031000 has 128 divisors (see below), whose sum is σ = 30008309760. Its totient is φ = 4817904000.

The previous prime is 12432030991. The next prime is 12432031097. The reversal of 12432031000 is 13023421.

It is a happy number.

It is a super-2 number, since 2×12432031000² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5631897 + ... + 5634103.

It is an arithmetic number, because the mean of its divisors is an integer number (234439920).

Almost surely, 2^12432031000 is an apocalyptic number.

12432031000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12432031000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15004154880).

12432031000 is an abundant number, since it is smaller than the sum of its proper divisors (17576278760).

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

12432031000 is a wasteful number, since it uses less digits than its factorization.

12432031000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2402 (or 2388 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12432031000 its reverse (13023421), we get a palindrome (12445054421).

The spelling of 12432031000 in words is "twelve billion, four hundred thirty-two million, thirty-one thousand".