12023122500 has 405 divisors, whose sum is σ = 41302982721. Its totient is φ = 2947392000.

The previous prime is 12023122493. The next prime is 12023122513. The reversal of 12023122500 is 522132021.

The square root of 12023122500 is 109650.

It is a perfect power (a square), and thus also a powerful number.

12023122500 is a `hidden beast` number, since 1 + 20 + 23 + 122 + 500 = 666.

It can be written as a sum of positive squares in 7 ways, for example, as 5871543876 + 6151578624 = 76626^2 + 78432^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 279607479 + ... + 279607521.

Almost surely, 2^12023122500 is an apocalyptic number.

12023122500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12023122500 is the 109650-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12023122500

12023122500 is an abundant number, since it is smaller than the sum of its proper divisors (29279860221).

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

12023122500 is a wasteful number, since it uses less digits than its factorization.

12023122500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 12023122500 its reverse (522132021), we get a palindrome (12545254521).

The spelling of 12023122500 in words is "twelve billion, twenty-three million, one hundred twenty-two thousand, five hundred".