14200312421 has 4 divisors (see below), whose sum is σ = 14221104192. Its totient is φ = 14179520652.

The previous prime is 14200312411. The next prime is 14200312439. The reversal of 14200312421 is 12421300241.

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: 12421300241 = 7 ⋅1774471463.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14200312421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14200312393 and 14200312402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14200312411) 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, 10394861 + ... + 10396226.

It is an arithmetic number, because the mean of its divisors is an integer number (3555276048).

Almost surely, 2^14200312421 is an apocalyptic number.

It is an amenable number.

14200312421 is a deficient number, since it is larger than the sum of its proper divisors (20791771).

14200312421 is an equidigital number, since it uses as much as digits as its factorization.

14200312421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20791770.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 14200312421 its reverse (12421300241), we get a palindrome (26621612662).

The spelling of 14200312421 in words is "fourteen billion, two hundred million, three hundred twelve thousand, four hundred twenty-one".