215123132241232 has 20 divisors (see below), whose sum is σ = 417713106081076. Its totient is φ = 107326201639680.

The previous prime is 215123132241167. The next prime is 215123132241247. The reversal of 215123132241232 is 232142231321512.

It can be written as a sum of positive squares in 2 ways, for example, as 185704831550736 + 29418300690496 = 13627356^2 + 5423864^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14710272519 + ... + 14710287142.

Almost surely, 2^{215123132241232} is an apocalyptic number.

It is an amenable number.

215123132241232 is a deficient number, since it is larger than the sum of its proper divisors (202589973839844).

215123132241232 is a wasteful number, since it uses less digits than its factorization.

215123132241232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29420560126 (or 29420560120 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

Adding to 215123132241232 its reverse (232142231321512), we get a palindrome (447265363562744).

The spelling of 215123132241232 in words is "two hundred fifteen trillion, one hundred twenty-three billion, one hundred thirty-two million, two hundred forty-one thousand, two hundred thirty-two".