12320122432 has 28 divisors (see below), whose sum is σ = 25290772380. Its totient is φ = 5947644416.

The previous prime is 12320122429. The next prime is 12320122447. The reversal of 12320122432 is 23422102321.

It can be written as a sum of positive squares in 2 ways, for example, as 4481499136 + 7838623296 = 66944^2 + 88536^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3317143 + ... + 3320854.

Almost surely, 2^12320122432 is an apocalyptic number.

It is an amenable number.

12320122432 is an abundant number, since it is smaller than the sum of its proper divisors (12970649948).

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

12320122432 is an equidigital number, since it uses as much as digits as its factorization.

12320122432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6638038 (or 6638028 counting only the distinct ones).

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

Adding to 12320122432 its reverse (23422102321), we get a palindrome (35742224753).

The spelling of 12320122432 in words is "twelve billion, three hundred twenty million, one hundred twenty-two thousand, four hundred thirty-two".