14220121552 has 40 divisors (see below), whose sum is σ = 33909524096. Its totient is φ = 5625542016.

The previous prime is 14220121537. The next prime is 14220121571. The reversal of 14220121552 is 25512102241.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 4881828 + ... + 4884739.

Almost surely, 2^14220121552 is an apocalyptic number.

It is an amenable number.

14220121552 is an abundant number, since it is smaller than the sum of its proper divisors (19689402544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14220121552 is a wasteful number, since it uses less digits than its factorization.

14220121552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9766595 (or 9766589 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 14220121552 its reverse (25512102241), we get a palindrome (39732223793).

The spelling of 14220121552 in words is "fourteen billion, two hundred twenty million, one hundred twenty-one thousand, five hundred fifty-two".