12132321330 has 64 divisors (see below), whose sum is σ = 29426934528. Its totient is φ = 3201070080.

The previous prime is 12132321317. The next prime is 12132321391. The reversal of 12132321330 is 3312323121.

It is a junction number, because it is equal to n+sod(n) for n = 12132321297 and 12132321306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1281715 + ... + 1291145.

It is an arithmetic number, because the mean of its divisors is an integer number (459795852).

Almost surely, 2^12132321330 is an apocalyptic number.

12132321330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12132321330 is an abundant number, since it is smaller than the sum of its proper divisors (17294613198).

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

12132321330 is a wasteful number, since it uses less digits than its factorization.

12132321330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9891.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12132321330 its reverse (3312323121), we get a palindrome (15444644451).

The spelling of 12132321330 in words is "twelve billion, one hundred thirty-two million, three hundred twenty-one thousand, three hundred thirty".