12431230400 has 84 divisors (see below), whose sum is σ = 31415464728. Its totient is φ = 4838077440.

The previous prime is 12431230397. The next prime is 12431230403. The reversal of 12431230400 is 403213421.

It is an interprime number because it is at equal distance from previous prime (12431230397) and next prime (12431230403).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12431230403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45794 + ... + 164193.

Almost surely, 2^12431230400 is an apocalyptic number.

12431230400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12431230400 is an abundant number, since it is smaller than the sum of its proper divisors (18984234328).

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

12431230400 is a wasteful number, since it uses less digits than its factorization.

12431230400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210046 (or 210031 counting only the distinct ones).

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

Adding to 12431230400 its reverse (403213421), we get a palindrome (12834443821).

The spelling of 12431230400 in words is "twelve billion, four hundred thirty-one million, two hundred thirty thousand, four hundred".