14234312221421 has 8 divisors (see below), whose sum is σ = 15071803471800. Its totient is φ = 13396840834048.

The previous prime is 14234312221373. The next prime is 14234312221447. The reversal of 14234312221421 is 12412221343241.

It can be written as a sum of positive squares in 4 ways, for example, as 91635765796 + 14142676455625 = 302714^2 + 3760675^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14234312221421 - 2¹⁴ = 14234312205037 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 (14234312221121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3477596 + ... + 6368853.

It is an arithmetic number, because the mean of its divisors is an integer number (1883975433975).

Almost surely, 2^{14234312221421} is an apocalyptic number.

It is an amenable number.

14234312221421 is a deficient number, since it is larger than the sum of its proper divisors (837491250379).

14234312221421 is an equidigital number, since it uses as much as digits as its factorization.

14234312221421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9931503.

The product of its digits is 18432, while the sum is 32.

Adding to 14234312221421 its reverse (12412221343241), we get a palindrome (26646533564662).

The spelling of 14234312221421 in words is "fourteen trillion, two hundred thirty-four billion, three hundred twelve million, two hundred twenty-one thousand, four hundred twenty-one".