121224530223 has 12 divisors (see below), whose sum is σ = 185402222928. Its totient is φ = 76062450240.

The previous prime is 121224530213. The next prime is 121224530237. The reversal of 121224530223 is 322035422121.

121224530223 is a `hidden beast` number, since 1 + 2 + 122 + 4 + 530 + 2 + 2 + 3 = 666.

It is not a de Polignac number, because 121224530223 - 2¹³ = 121224522031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121224530213) 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 in 11 ways as a sum of consecutive naturals, for example, 396158443 + ... + 396158748.

It is an arithmetic number, because the mean of its divisors is an integer number (15450185244).

Almost surely, 2^121224530223 is an apocalyptic number.

121224530223 is a deficient number, since it is larger than the sum of its proper divisors (64177692705).

121224530223 is a wasteful number, since it uses less digits than its factorization.

121224530223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792317214 (or 792317211 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 121224530223 its reverse (322035422121), we get a palindrome (443259952344).

The spelling of 121224530223 in words is "one hundred twenty-one billion, two hundred twenty-four million, five hundred thirty thousand, two hundred twenty-three".