12432330320 has 40 divisors (see below), whose sum is σ = 28914272136. Its totient is φ = 4971365888.

The previous prime is 12432330311. The next prime is 12432330341. The reversal of 12432330320 is 2303323421.

It can be written as a sum of positive squares in 4 ways, for example, as 3878300176 + 8554030144 = 62276^2 + 92488^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250274 + ... + 295806.

Almost surely, 2^12432330320 is an apocalyptic number.

12432330320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12432330320 is an abundant number, since it is smaller than the sum of its proper divisors (16481941816).

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

12432330320 is a wasteful number, since it uses less digits than its factorization.

12432330320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48959 (or 48953 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 12432330320 its reverse (2303323421), we get a palindrome (14735653741).

The spelling of 12432330320 in words is "twelve billion, four hundred thirty-two million, three hundred thirty thousand, three hundred twenty".