12320234331400 has 48 divisors (see below), whose sum is σ = 29632287759300. Its totient is φ = 4758159463680.

The previous prime is 12320234331311. The next prime is 12320234331421. The reversal of 12320234331400 is 413343202321.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 7526035063044 + 4794199268356 = 2743362^2 + 2189566^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1062083367 + ... + 1062094966.

Almost surely, 2^{12320234331400} is an apocalyptic number.

12320234331400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12320234331400 is an abundant number, since it is smaller than the sum of its proper divisors (17312053427900).

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

12320234331400 is a wasteful number, since it uses less digits than its factorization.

12320234331400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2124178378 (or 2124178369 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 12320234331400 its reverse (413343202321), we get a palindrome (12733577533721).

The spelling of 12320234331400 in words is "twelve trillion, three hundred twenty billion, two hundred thirty-four million, three hundred thirty-one thousand, four hundred".