12123203132 has 24 divisors (see below), whose sum is σ = 22579998336. Its totient is φ = 5675470848.

The previous prime is 12123203107. The next prime is 12123203153. The reversal of 12123203132 is 23130232121.

12123203132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 448748 + ... + 474995.

It is an arithmetic number, because the mean of its divisors is an integer number (940833264).

Almost surely, 2^12123203132 is an apocalyptic number.

It is an amenable number.

12123203132 is a deficient number, since it is larger than the sum of its proper divisors (10456795204).

12123203132 is a wasteful number, since it uses less digits than its factorization.

12123203132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923957 (or 923955 counting only the distinct ones).

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

Adding to 12123203132 its reverse (23130232121), we get a palindrome (35253435253).

The spelling of 12123203132 in words is "twelve billion, one hundred twenty-three million, two hundred three thousand, one hundred thirty-two".