12402032224 has 48 divisors (see below), whose sum is σ = 25299041040. Its totient is φ = 5980848640.

The previous prime is 12402032197. The next prime is 12402032233. The reversal of 12402032224 is 42223020421.

It is a junction number, because it is equal to n+sod(n) for n = 12402032195 and 12402032204.

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, 38094 + ... + 162034.

It is an arithmetic number, because the mean of its divisors is an integer number (527063355).

Almost surely, 2^12402032224 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 12402032224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12649520520).

12402032224 is an abundant number, since it is smaller than the sum of its proper divisors (12897008816).

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

12402032224 is a wasteful number, since it uses less digits than its factorization.

12402032224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124063 (or 124055 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 12402032224 its reverse (42223020421), we get a palindrome (54625052645).

The spelling of 12402032224 in words is "twelve billion, four hundred two million, thirty-two thousand, two hundred twenty-four".