12032312330 has 16 divisors (see below), whose sum is σ = 21716233704. Its totient is φ = 4800020160.

The previous prime is 12032312311. The next prime is 12032312339. The reversal of 12032312330 is 3321323021.

It can be written as a sum of positive squares in 4 ways, for example, as 9977412769 + 2054899561 = 99887^2 + 45331^2 .

It is not an unprimeable number, because it can be changed into a prime (12032312339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1609181 + ... + 1616640.

Almost surely, 2^12032312330 is an apocalyptic number.

12032312330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12032312330 is a deficient number, since it is larger than the sum of its proper divisors (9683921374).

12032312330 is a wasteful number, since it uses less digits than its factorization.

12032312330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3226201.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 12032312330 its reverse (3321323021), we get a palindrome (15353635351).

The spelling of 12032312330 in words is "twelve billion, thirty-two million, three hundred twelve thousand, three hundred thirty".