12210012232 has 48 divisors (see below), whose sum is σ = 25193785680. Its totient is φ = 5543487840.

The previous prime is 12210012209. The next prime is 12210012251. The reversal of 12210012232 is 23221001221.

It is a happy number.

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 11 ways as a sum of consecutive naturals, for example, 871023 + ... + 884929.

It is an arithmetic number, because the mean of its divisors is an integer number (524870535).

Almost surely, 2^12210012232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12210012232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12596892840).

12210012232 is an abundant number, since it is smaller than the sum of its proper divisors (12983773448).

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

12210012232 is a wasteful number, since it uses less digits than its factorization.

12210012232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14842 (or 14827 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12210012232 its reverse (23221001221), we get a palindrome (35431013453).

The spelling of 12210012232 in words is "twelve billion, two hundred ten million, twelve thousand, two hundred thirty-two".