12415432122 has 24 divisors (see below), whose sum is σ = 26940824820. Its totient is φ = 4132212480.

The previous prime is 12415432037. The next prime is 12415432147. The reversal of 12415432122 is 22123451421.

It can be written as a sum of positive squares in 2 ways, for example, as 12269771361 + 145660761 = 110769^2 + 12069^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 509847 + ... + 533642.

Almost surely, 2^12415432122 is an apocalyptic number.

12415432122 is an abundant number, since it is smaller than the sum of its proper divisors (14525392698).

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

12415432122 is a wasteful number, since it uses less digits than its factorization.

12415432122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044158 (or 1044155 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

Adding to 12415432122 its reverse (22123451421), we get a palindrome (34538883543).

The spelling of 12415432122 in words is "twelve billion, four hundred fifteen million, four hundred thirty-two thousand, one hundred twenty-two".