12021043324 has 24 divisors (see below), whose sum is σ = 21499901696. Its totient is φ = 5879304000.

The previous prime is 12021043303. The next prime is 12021043369. The reversal of 12021043324 is 42334012021.

It is a junction number, because it is equal to n+sod(n) for n = 12021043295 and 12021043304.

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, 91932 + ... + 180259.

Almost surely, 2^12021043324 is an apocalyptic number.

It is an amenable number.

12021043324 is a deficient number, since it is larger than the sum of its proper divisors (9478858372).

12021043324 is a wasteful number, since it uses less digits than its factorization.

12021043324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272437 (or 272435 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12021043324 its reverse (42334012021), we get a palindrome (54355055345).

The spelling of 12021043324 in words is "twelve billion, twenty-one million, forty-three thousand, three hundred twenty-four".