14012144321 has 12 divisors (see below), whose sum is σ = 16329136788. Its totient is φ = 11988823392.

The previous prime is 14012144299. The next prime is 14012144329. The reversal of 14012144321 is 12344121041.

It can be written as a sum of positive squares in 2 ways, for example, as 424978225 + 13587166096 = 20615^2 + 116564^2 .

It is not a de Polignac number, because 14012144321 - 2⁶ = 14012144257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14012144329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 229406 + ... + 283991.

It is an arithmetic number, because the mean of its divisors is an integer number (1360761399).

Almost surely, 2^14012144321 is an apocalyptic number.

It is an amenable number.

14012144321 is a deficient number, since it is larger than the sum of its proper divisors (2316992467).

14012144321 is an equidigital number, since it uses as much as digits as its factorization.

14012144321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513968 (or 513961 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 14012144321 its reverse (12344121041), we get a palindrome (26356265362).

The spelling of 14012144321 in words is "fourteen billion, twelve million, one hundred forty-four thousand, three hundred twenty-one".