12123303230 has 16 divisors (see below), whose sum is σ = 21904923744. Its totient is φ = 4830881760.

The previous prime is 12123303217. The next prime is 12123303233. The reversal of 12123303230 is 3230332121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12123303233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2302181 + ... + 2307440.

It is an arithmetic number, because the mean of its divisors is an integer number (1369057734).

Almost surely, 2^12123303230 is an apocalyptic number.

12123303230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12123303230 is a deficient number, since it is larger than the sum of its proper divisors (9781620514).

12123303230 is a wasteful number, since it uses less digits than its factorization.

12123303230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4609891.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 12123303230 its reverse (3230332121), we get a palindrome (15353635351).

The spelling of 12123303230 in words is "twelve billion, one hundred twenty-three million, three hundred three thousand, two hundred thirty".