12320234324 has 12 divisors (see below), whose sum is σ = 21568446900. Its totient is φ = 6157820928.

The previous prime is 12320234291. The next prime is 12320234327. The reversal of 12320234324 is 42343202321.

It can be written as a sum of positive squares in 2 ways, for example, as 7069782724 + 5250451600 = 84082^2 + 72460^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12320234293 and 12320234302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320234327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561959 + ... + 583470.

It is an arithmetic number, because the mean of its divisors is an integer number (1797370575).

Almost surely, 2^12320234324 is an apocalyptic number.

It is an amenable number.

12320234324 is a deficient number, since it is larger than the sum of its proper divisors (9248212576).

12320234324 is a wasteful number, since it uses less digits than its factorization.

12320234324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148122 (or 1148120 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 12320234324 its reverse (42343202321), we get a palindrome (54663436645).

The spelling of 12320234324 in words is "twelve billion, three hundred twenty million, two hundred thirty-four thousand, three hundred twenty-four".