12005320230 has 48 divisors (see below), whose sum is σ = 32369907024. Its totient is φ = 3201418080.

The previous prime is 12005320213. The next prime is 12005320273. The reversal of 12005320230 is 3202350021.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2467801 + ... + 2472660.

It is an arithmetic number, because the mean of its divisors is an integer number (674373063).

Almost surely, 2^12005320230 is an apocalyptic number.

12005320230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12005320230 is an abundant number, since it is smaller than the sum of its proper divisors (20364586794).

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

12005320230 is an equidigital number, since it uses as much as digits as its factorization.

12005320230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4940483 (or 4940471 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

Adding to 12005320230 its reverse (3202350021), we get a palindrome (15207670251).

The spelling of 12005320230 in words is "twelve billion, five million, three hundred twenty thousand, two hundred thirty".