12205333524 has 12 divisors (see below), whose sum is σ = 28479111584. Its totient is φ = 4068444504.

The previous prime is 12205333493. The next prime is 12205333529. The reversal of 12205333524 is 42533350221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 12205333491 and 12205333500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12205333529) 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 3 ways as a sum of consecutive naturals, for example, 508555552 + ... + 508555575.

Almost surely, 2^12205333524 is an apocalyptic number.

It is an amenable number.

12205333524 is an abundant number, since it is smaller than the sum of its proper divisors (16273778060).

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

12205333524 is a wasteful number, since it uses less digits than its factorization.

12205333524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017111134 (or 1017111132 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 12205333524 its reverse (42533350221), we get a palindrome (54738683745).

The spelling of 12205333524 in words is "twelve billion, two hundred five million, three hundred thirty-three thousand, five hundred twenty-four".