14223242212421 has 40 divisors (see below), whose sum is σ = 16729838311320. Its totient is φ = 12049106432000.

The previous prime is 14223242212411. The next prime is 14223242212423. The reversal of 14223242212421 is 12421224232241.

It can be written as a sum of positive squares in 4 ways, for example, as 12389625612100 + 1833616600321 = 3519890^2 + 1354111^2 .

It is not a de Polignac number, because 14223242212421 - 2¹⁸ = 14223241950277 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14223242212423) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 24855701 + ... + 25421493.

It is an arithmetic number, because the mean of its divisors is an integer number (418245957783).

Almost surely, 2^{14223242212421} is an apocalyptic number.

14223242212421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14223242212421 is a deficient number, since it is larger than the sum of its proper divisors (2506596098899).

14223242212421 is an equidigital number, since it uses as much as digits as its factorization.

14223242212421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565955 (or 565922 counting only the distinct ones).

The product of its digits is 24576, while the sum is 32.

Adding to 14223242212421 its reverse (12421224232241), we get a palindrome (26644466444662).

The spelling of 14223242212421 in words is "fourteen trillion, two hundred twenty-three billion, two hundred forty-two million, two hundred twelve thousand, four hundred twenty-one".