12663431133 has 8 divisors (see below), whose sum is σ = 16894020000. Its totient is φ = 8437564848.

The previous prime is 12663431101. The next prime is 12663431159. The reversal of 12663431133 is 33113436621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12663431133 - 2⁵ = 12663431101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12663431094 and 12663431103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12663431933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1174383 + ... + 1185116.

It is an arithmetic number, because the mean of its divisors is an integer number (2111752500).

Almost surely, 2^12663431133 is an apocalyptic number.

It is an amenable number.

12663431133 is a deficient number, since it is larger than the sum of its proper divisors (4230588867).

12663431133 is a wasteful number, since it uses less digits than its factorization.

12663431133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2361291.

The product of its digits is 23328, while the sum is 33.

Adding to 12663431133 its reverse (33113436621), we get a palindrome (45776867754).

The spelling of 12663431133 in words is "twelve billion, six hundred sixty-three million, four hundred thirty-one thousand, one hundred thirty-three".