12240225555436 has 6 divisors (see below), whose sum is σ = 21420394722020. Its totient is φ = 6120112777716.

The previous prime is 12240225555409. The next prime is 12240225555443. The reversal of 12240225555436 is 63455552204221.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1530028194426 + ... + 1530028194433.

Almost surely, 2^{12240225555436} is an apocalyptic number.

It is an amenable number.

12240225555436 is a deficient number, since it is larger than the sum of its proper divisors (9180169166584).

12240225555436 is a wasteful number, since it uses less digits than its factorization.

12240225555436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3060056388863 (or 3060056388861 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 46.

Adding to 12240225555436 its reverse (63455552204221), we get a palindrome (75695777759657).

The spelling of 12240225555436 in words is "twelve trillion, two hundred forty billion, two hundred twenty-five million, five hundred fifty-five thousand, four hundred thirty-six".