230032121312 has 96 divisors (see below), whose sum is σ = 538101144000. Its totient is φ = 96724852224.

The previous prime is 230032121311. The next prime is 230032121327. The reversal of 230032121312 is 213121230032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230032121311) 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 15 ways as a sum of consecutive naturals, for example, 384014 + ... + 779442.

It is an arithmetic number, because the mean of its divisors is an integer number (5605220250).

Almost surely, 2^230032121312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230032121312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269050572000).

230032121312 is an abundant number, since it is smaller than the sum of its proper divisors (308069022688).

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

230032121312 is an equidigital number, since it uses as much as digits as its factorization.

230032121312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395513 (or 395491 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 230032121312 its reverse (213121230032), we get a palindrome (443153351344).

The spelling of 230032121312 in words is "two hundred thirty billion, thirty-two million, one hundred twenty-one thousand, three hundred twelve".