12023420224 has 14 divisors (see below), whose sum is σ = 23858974634. Its totient is φ = 6011710080.

The previous prime is 12023420219. The next prime is 12023420231. The reversal of 12023420224 is 42202432021.

It can be written as a sum of positive squares in only one way, i.e., 11785273600 + 238146624 = 108560^2 + 15432^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12023420195 and 12023420204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 93932907 + ... + 93933034.

Almost surely, 2^12023420224 is an apocalyptic number.

It is an amenable number.

12023420224 is a deficient number, since it is larger than the sum of its proper divisors (11835554410).

12023420224 is an equidigital number, since it uses as much as digits as its factorization.

12023420224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187865953 (or 187865943 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 12023420224 its reverse (42202432021), we get a palindrome (54225852245).

The spelling of 12023420224 in words is "twelve billion, twenty-three million, four hundred twenty thousand, two hundred twenty-four".