12242121224524 has 12 divisors (see below), whose sum is σ = 21423746856400. Its totient is φ = 6121050694128.

The previous prime is 12242121224479. The next prime is 12242121224549. The reversal of 12242121224524 is 42542212124221.

It is a self number, because there is not a number n which added to its sum of digits gives 12242121224524.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 771217 + ... + 5007895.

Almost surely, 2^{12242121224524} is an apocalyptic number.

It is an amenable number.

12242121224524 is a deficient number, since it is larger than the sum of its proper divisors (9181625631876).

12242121224524 is a wasteful number, since it uses less digits than its factorization.

12242121224524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4959072 (or 4959070 counting only the distinct ones).

The product of its digits is 40960, while the sum is 34.

Adding to 12242121224524 its reverse (42542212124221), we get a palindrome (54784333348745).

The spelling of 12242121224524 in words is "twelve trillion, two hundred forty-two billion, one hundred twenty-one million, two hundred twenty-four thousand, five hundred twenty-four".