14001212402321 has 4 divisors (see below), whose sum is σ = 14014408645044. Its totient is φ = 13988016159600.

The previous prime is 14001212402171. The next prime is 14001212402323. The reversal of 14001212402321 is 12320421210041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7215374961025 + 6785837441296 = 2686145^2 + 2604964^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14001212402321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14001212402323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6598119770 + ... + 6598121891.

It is an arithmetic number, because the mean of its divisors is an integer number (3503602161261).

Almost surely, 2^{14001212402321} is an apocalyptic number.

It is an amenable number.

14001212402321 is a deficient number, since it is larger than the sum of its proper divisors (13196242723).

14001212402321 is a wasteful number, since it uses less digits than its factorization.

14001212402321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13196242722.

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

Adding to 14001212402321 its reverse (12320421210041), we get a palindrome (26321633612362).

The spelling of 14001212402321 in words is "fourteen trillion, one billion, two hundred twelve million, four hundred two thousand, three hundred twenty-one".