12732021115 has 36 divisors (see below), whose sum is σ = 16969782816. Its totient is φ = 9163528000.

The previous prime is 12732021103. The next prime is 12732021143. The reversal of 12732021115 is 51112023721.

It is not a de Polignac number, because 12732021115 - 2¹¹ = 12732019067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12732021115.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6170574 + ... + 6172636.

It is an arithmetic number, because the mean of its divisors is an integer number (471382856).

Almost surely, 2^12732021115 is an apocalyptic number.

12732021115 is a deficient number, since it is larger than the sum of its proper divisors (4237761701).

12732021115 is a wasteful number, since it uses less digits than its factorization.

12732021115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2292 (or 2180 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 25.

Adding to 12732021115 its reverse (51112023721), we get a palindrome (63844044836).

The spelling of 12732021115 in words is "twelve billion, seven hundred thirty-two million, twenty-one thousand, one hundred fifteen".