12204543452 has 24 divisors (see below), whose sum is σ = 22298107776. Its totient is φ = 5833930608.

The previous prime is 12204543451. The next prime is 12204543479. The reversal of 12204543452 is 25434540221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12204543451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149423 + ... + 216185.

It is an arithmetic number, because the mean of its divisors is an integer number (929087824).

Almost surely, 2^12204543452 is an apocalyptic number.

It is an amenable number.

12204543452 is a deficient number, since it is larger than the sum of its proper divisors (10093564324).

12204543452 is a wasteful number, since it uses less digits than its factorization.

12204543452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68777 (or 68775 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

The spelling of 12204543452 in words is "twelve billion, two hundred four million, five hundred forty-three thousand, four hundred fifty-two".