230012520115221 has 24 divisors (see below), whose sum is σ = 336207427302240. Its totient is φ = 151518069527136.

The previous prime is 230012520115193. The next prime is 230012520115243. The reversal of 230012520115221 is 122511025210032.

230012520115221 is a `hidden beast` number, since 2 + 3 + 0 + 0 + 1 + 2 + 520 + 115 + 2 + 21 = 666.

It is not a de Polignac number, because 230012520115221 - 2¹⁹ = 230012519590933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230012520115321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 306630495 + ... + 307379708.

It is an arithmetic number, because the mean of its divisors is an integer number (14008642804260).

Almost surely, 2^{230012520115221} is an apocalyptic number.

It is an amenable number.

230012520115221 is a deficient number, since it is larger than the sum of its proper divisors (106194907187019).

230012520115221 is a wasteful number, since it uses less digits than its factorization.

230012520115221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614010705 (or 614010702 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 230012520115221 its reverse (122511025210032), we get a palindrome (352523545325253).

The spelling of 230012520115221 in words is "two hundred thirty trillion, twelve billion, five hundred twenty million, one hundred fifteen thousand, two hundred twenty-one".