14221212203243 has 4 divisors (see below), whose sum is σ = 14351682040080. Its totient is φ = 14090742366408.

The previous prime is 14221212203221. The next prime is 14221212203249. The reversal of 14221212203243 is 34230221212241.

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

It is a cyclic number.

It is not a de Polignac number, because 14221212203243 - 2²⁴ = 14221195426027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14221212203249) 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, 65234918255 + ... + 65234918472.

It is an arithmetic number, because the mean of its divisors is an integer number (3587920510020).

Almost surely, 2^{14221212203243} is an apocalyptic number.

14221212203243 is a deficient number, since it is larger than the sum of its proper divisors (130469836837).

14221212203243 is a wasteful number, since it uses less digits than its factorization.

14221212203243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130469836836.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 14221212203243 its reverse (34230221212241), we get a palindrome (48451433415484).

The spelling of 14221212203243 in words is "fourteen trillion, two hundred twenty-one billion, two hundred twelve million, two hundred three thousand, two hundred forty-three".