14312122421 has 4 divisors (see below), whose sum is σ = 14616635712. Its totient is φ = 14007609132.

The previous prime is 14312122417. The next prime is 14312122441. The reversal of 14312122421 is 12422121341.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12422121341 = 7 ⋅1774588763.

It is a cyclic number.

It is not a de Polignac number, because 14312122421 - 2² = 14312122417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14312122411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152256575 + ... + 152256668.

It is an arithmetic number, because the mean of its divisors is an integer number (3654158928).

Almost surely, 2^14312122421 is an apocalyptic number.

It is an amenable number.

14312122421 is a deficient number, since it is larger than the sum of its proper divisors (304513291).

14312122421 is an equidigital number, since it uses as much as digits as its factorization.

14312122421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304513290.

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

Adding to 14312122421 its reverse (12422121341), we get a palindrome (26734243762).

The spelling of 14312122421 in words is "fourteen billion, three hundred twelve million, one hundred twenty-two thousand, four hundred twenty-one".