12432632665 has 16 divisors (see below), whose sum is σ = 15104730816. Its totient is φ = 9822484800.

The previous prime is 12432632657. The next prime is 12432632669. The reversal of 12432632665 is 56623623421.

It is not a de Polignac number, because 12432632665 - 2³ = 12432632657 is a prime.

It is a super-3 number, since 3×12432632665³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12432632669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1627555 + ... + 1635175.

It is an arithmetic number, because the mean of its divisors is an integer number (944045676).

Almost surely, 2^12432632665 is an apocalyptic number.

It is an amenable number.

12432632665 is a deficient number, since it is larger than the sum of its proper divisors (2672098151).

12432632665 is an equidigital number, since it uses as much as digits as its factorization.

12432632665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11640.

The product of its digits is 311040, while the sum is 40.

The spelling of 12432632665 in words is "twelve billion, four hundred thirty-two million, six hundred thirty-two thousand, six hundred sixty-five".