12204554424 has 32 divisors (see below), whose sum is σ = 31495626240. Its totient is φ = 3936952800.

The previous prime is 12204554339. The next prime is 12204554429. The reversal of 12204554424 is 42445540221.

It is a super-2 number, since 2×12204554424² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12204554429) 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, 8201242 + ... + 8202729.

It is an arithmetic number, because the mean of its divisors is an integer number (984238320).

Almost surely, 2^12204554424 is an apocalyptic number.

It is an amenable number.

12204554424 is an abundant number, since it is smaller than the sum of its proper divisors (19291071816).

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

12204554424 is a wasteful number, since it uses less digits than its factorization.

12204554424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16404011 (or 16404007 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 33.

The spelling of 12204554424 in words is "twelve billion, two hundred four million, five hundred fifty-four thousand, four hundred twenty-four".