12123204230 has 16 divisors (see below), whose sum is σ = 21823274880. Its totient is φ = 4848946752.

The previous prime is 12123204221. The next prime is 12123204287. The reversal of 12123204230 is 3240232121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153611 + ... + 218729.

It is an arithmetic number, because the mean of its divisors is an integer number (1363954680).

Almost surely, 2^12123204230 is an apocalyptic number.

12123204230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12123204230 is a deficient number, since it is larger than the sum of its proper divisors (9700070650).

12123204230 is a wasteful number, since it uses less digits than its factorization.

12123204230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83743.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12123204230 its reverse (3240232121), we get a palindrome (15363436351).

The spelling of 12123204230 in words is "twelve billion, one hundred twenty-three million, two hundred four thousand, two hundred thirty".