14212403221 has 8 divisors (see below), whose sum is σ = 14561201088. Its totient is φ = 13863708000.

The previous prime is 14212403213. The next prime is 14212403243. The reversal of 14212403221 is 12230421241.

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 14212403221 - 2³ = 14212403213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14212403192 and 14212403201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14212401221) 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, 306816 + ... + 350086.

It is an arithmetic number, because the mean of its divisors is an integer number (1820150136).

Almost surely, 2^14212403221 is an apocalyptic number.

It is an amenable number.

14212403221 is a deficient number, since it is larger than the sum of its proper divisors (348797867).

14212403221 is an equidigital number, since it uses as much as digits as its factorization.

14212403221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51323.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 14212403221 its reverse (12230421241), we get a palindrome (26442824462).

The spelling of 14212403221 in words is "fourteen billion, two hundred twelve million, four hundred three thousand, two hundred twenty-one".