12342220432 has 40 divisors (see below), whose sum is σ = 24754275000. Its totient is φ = 5954307072.

The previous prime is 12342220421. The next prime is 12342220459. The reversal of 12342220432 is 23402224321.

It can be written as a sum of positive squares in 4 ways, for example, as 269485056 + 12072735376 = 16416^2 + 109876^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12342220397 and 12342220406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 751444 + ... + 767692.

It is an arithmetic number, because the mean of its divisors is an integer number (618856875).

Almost surely, 2^12342220432 is an apocalyptic number.

It is an amenable number.

12342220432 is an abundant number, since it is smaller than the sum of its proper divisors (12412054568).

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

12342220432 is a wasteful number, since it uses less digits than its factorization.

12342220432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17923 (or 17917 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 12342220432 its reverse (23402224321), we get a palindrome (35744444753).

The spelling of 12342220432 in words is "twelve billion, three hundred forty-two million, two hundred twenty thousand, four hundred thirty-two".