12204533021 has 8 divisors (see below), whose sum is σ = 12315775680. Its totient is φ = 12093347392.

The previous prime is 12204533009. The next prime is 12204533027. The reversal of 12204533021 is 12033540221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12204533021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12204533027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499160 + ... + 523038.

It is an arithmetic number, because the mean of its divisors is an integer number (1539471960).

Almost surely, 2^12204533021 is an apocalyptic number.

It is an amenable number.

12204533021 is a deficient number, since it is larger than the sum of its proper divisors (111242659).

12204533021 is a wasteful number, since it uses less digits than its factorization.

12204533021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28515.

The product of its (nonzero) digits is 1440, while the sum is 23.

The spelling of 12204533021 in words is "twelve billion, two hundred four million, five hundred thirty-three thousand, twenty-one".