12213243132 has 24 divisors (see below), whose sum is σ = 28502418000. Its totient is φ = 4070388096.

The previous prime is 12213243127. The next prime is 12213243151. The reversal of 12213243132 is 23134231221.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10507 + ... + 156642.

It is an arithmetic number, because the mean of its divisors is an integer number (1187600750).

Almost surely, 2^12213243132 is an apocalyptic number.

12213243132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12213243132 is an abundant number, since it is smaller than the sum of its proper divisors (16289174868).

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

12213243132 is a wasteful number, since it uses less digits than its factorization.

12213243132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173245 (or 173243 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

Adding to 12213243132 its reverse (23134231221), we get a palindrome (35347474353).

The spelling of 12213243132 in words is "twelve billion, two hundred thirteen million, two hundred forty-three thousand, one hundred thirty-two".