14512253221 has 2 divisors, whose sum is σ = 14512253222. Its totient is φ = 14512253220.

The previous prime is 14512253209. The next prime is 14512253267. The reversal of 14512253221 is 12235221541.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13508250625 + 1004002596 = 116225^2 + 31686^2 .

It is an emirp because it is prime and its reverse (12235221541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14512253221 - 2¹³ = 14512245029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14512253221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14512253291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7256126610 + 7256126611.

It is an arithmetic number, because the mean of its divisors is an integer number (7256126611).

Almost surely, 2^14512253221 is an apocalyptic number.

It is an amenable number.

14512253221 is a deficient number, since it is larger than the sum of its proper divisors (1).

14512253221 is an equidigital number, since it uses as much as digits as its factorization.

14512253221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4800, while the sum is 28.

Adding to 14512253221 its reverse (12235221541), we get a palindrome (26747474762).

The spelling of 14512253221 in words is "fourteen billion, five hundred twelve million, two hundred fifty-three thousand, two hundred twenty-one".