12431234000 has 40 divisors (see below), whose sum is σ = 30058728648. Its totient is φ = 4972492800.

The previous prime is 12431233967. The next prime is 12431234017. The reversal of 12431234000 is 43213421.

It can be written as a sum of positive squares in 4 ways, for example, as 1928263744 + 10502970256 = 43912^2 + 102484^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 3105809 + ... + 3109808.

Almost surely, 2^12431234000 is an apocalyptic number.

12431234000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12431234000 is an abundant number, since it is smaller than the sum of its proper divisors (17627494648).

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

12431234000 is an equidigital number, since it uses as much as digits as its factorization.

12431234000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6215640 (or 6215624 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12431234000 its reverse (43213421), we get a palindrome (12474447421).

The spelling of 12431234000 in words is "twelve billion, four hundred thirty-one million, two hundred thirty-four thousand".