12322431400 has 24 divisors (see below), whose sum is σ = 28649653470. Its totient is φ = 4928972480.

The previous prime is 12322431347. The next prime is 12322431403. The reversal of 12322431400 is 413422321.

It can be written as a sum of positive squares in 3 ways, for example, as 11965296996 + 357134404 = 109386^2 + 18898^2 .

It is not an unprimeable number, because it can be changed into a prime (12322431403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30805879 + ... + 30806278.

Almost surely, 2^12322431400 is an apocalyptic number.

12322431400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12322431400 is an abundant number, since it is smaller than the sum of its proper divisors (16327222070).

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

12322431400 is a wasteful number, since it uses less digits than its factorization.

12322431400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61612173 (or 61612164 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12322431400 its reverse (413422321), we get a palindrome (12735853721).

The spelling of 12322431400 in words is "twelve billion, three hundred twenty-two million, four hundred thirty-one thousand, four hundred".