12031232330 has 32 divisors (see below), whose sum is σ = 23349637584. Its totient is φ = 4437052416.

The previous prime is 12031232281. The next prime is 12031232341. The reversal of 12031232330 is 3323213021.

It can be written as a sum of positive squares in 8 ways, for example, as 3745317601 + 8285914729 = 61199^2 + 91027^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56642 + ... + 165138.

Almost surely, 2^12031232330 is an apocalyptic number.

12031232330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12031232330 is a deficient number, since it is larger than the sum of its proper divisors (11318405254).

12031232330 is a wasteful number, since it uses less digits than its factorization.

12031232330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109370.

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

Adding to 12031232330 its reverse (3323213021), we get a palindrome (15354445351).

The spelling of 12031232330 in words is "twelve billion, thirty-one million, two hundred thirty-two thousand, three hundred thirty".