12124210432 has 72 divisors (see below), whose sum is σ = 25289349120. Its totient is φ = 5790259200.

The previous prime is 12124210421. The next prime is 12124210459. The reversal of 12124210432 is 23401242121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6776194 + ... + 6777982.

It is an arithmetic number, because the mean of its divisors is an integer number (351240960).

Almost surely, 2^12124210432 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 12124210432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12644674560).

12124210432 is an abundant number, since it is smaller than the sum of its proper divisors (13165138688).

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

12124210432 is a wasteful number, since it uses less digits than its factorization.

12124210432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2979 (or 2965 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12124210432 its reverse (23401242121), we get a palindrome (35525452553).

The spelling of 12124210432 in words is "twelve billion, one hundred twenty-four million, two hundred ten thousand, four hundred thirty-two".