12644232153 has 8 divisors (see below), whose sum is σ = 19267401408. Its totient is φ = 7225275504.

The previous prime is 12644232091. The next prime is 12644232169. The reversal of 12644232153 is 35123244621.

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

It is not a de Polignac number, because 12644232153 - 2⁹ = 12644231641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12644232193) 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, 301053126 + ... + 301053167.

It is an arithmetic number, because the mean of its divisors is an integer number (2408425176).

Almost surely, 2^12644232153 is an apocalyptic number.

It is an amenable number.

12644232153 is a deficient number, since it is larger than the sum of its proper divisors (6623169255).

12644232153 is an equidigital number, since it uses as much as digits as its factorization.

12644232153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602106303.

The product of its digits is 34560, while the sum is 33.

Adding to 12644232153 its reverse (35123244621), we get a palindrome (47767476774).

The spelling of 12644232153 in words is "twelve billion, six hundred forty-four million, two hundred thirty-two thousand, one hundred fifty-three".