12123223300 has 36 divisors (see below), whose sum is σ = 26312417460. Its totient is φ = 4848363520.

The previous prime is 12123223267. The next prime is 12123223319. The reversal of 12123223300 is 332232121.

It can be written as a sum of positive squares in 6 ways, for example, as 2534464 + 12120688836 = 1592^2 + 110094^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 793332 + ... + 808468.

It is an arithmetic number, because the mean of its divisors is an integer number (730900485).

Almost surely, 2^12123223300 is an apocalyptic number.

12123223300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12123223300 is an abundant number, since it is smaller than the sum of its proper divisors (14189194160).

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

12123223300 is a wasteful number, since it uses less digits than its factorization.

12123223300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23160 (or 23153 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12123223300 its reverse (332232121), we get a palindrome (12455455421).

The spelling of 12123223300 in words is "twelve billion, one hundred twenty-three million, two hundred twenty-three thousand, three hundred".