14212432321 has 4 divisors (see below), whose sum is σ = 14225956144. Its totient is φ = 14198908500.

The previous prime is 14212432291. The next prime is 14212432411. The reversal of 14212432321 is 12323421241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14212432321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14212432621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6760335 + ... + 6762436.

It is an arithmetic number, because the mean of its divisors is an integer number (3556489036).

Almost surely, 2^14212432321 is an apocalyptic number.

It is an amenable number.

14212432321 is a deficient number, since it is larger than the sum of its proper divisors (13523823).

14212432321 is a wasteful number, since it uses less digits than its factorization.

14212432321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13523822.

The product of its digits is 2304, while the sum is 25.

Adding to 14212432321 its reverse (12323421241), we get a palindrome (26535853562).

The spelling of 14212432321 in words is "fourteen billion, two hundred twelve million, four hundred thirty-two thousand, three hundred twenty-one".