12345224524 has 12 divisors (see below), whose sum is σ = 21613816224. Its totient is φ = 6169848464.

The previous prime is 12345224491. The next prime is 12345224527. The reversal of 12345224524 is 42542254321.

It is a self number, because there is not a number n which added to its sum of digits gives 12345224524.

It is not an unprimeable number, because it can be changed into a prime (12345224527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 680884 + ... + 698779.

It is an arithmetic number, because the mean of its divisors is an integer number (1801151352).

Almost surely, 2^12345224524 is an apocalyptic number.

It is an amenable number.

12345224524 is a deficient number, since it is larger than the sum of its proper divisors (9268591700).

12345224524 is a wasteful number, since it uses less digits than its factorization.

12345224524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381904 (or 1381902 counting only the distinct ones).

The product of its digits is 76800, while the sum is 34.

Adding to 12345224524 its reverse (42542254321), we get a palindrome (54887478845).

The spelling of 12345224524 in words is "twelve billion, three hundred forty-five million, two hundred twenty-four thousand, five hundred twenty-four".