12265442424 has 48 divisors (see below), whose sum is σ = 33547826520. Its totient is φ = 4047998400.

The previous prime is 12265442417. The next prime is 12265442429. The reversal of 12265442424 is 42424456221.

12265442424 is a `hidden beast` number, since 1 + 226 + 5 + 4 + 4 + 2 + 424 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12265442429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 836062 + ... + 850605.

Almost surely, 2^12265442424 is an apocalyptic number.

It is an amenable number.

12265442424 is an abundant number, since it is smaller than the sum of its proper divisors (21282384096).

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

12265442424 is a wasteful number, since it uses less digits than its factorization.

12265442424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686780 (or 1686773 counting only the distinct ones).

The product of its digits is 122880, while the sum is 36.

Adding to 12265442424 its reverse (42424456221), we get a palindrome (54689898645).

The spelling of 12265442424 in words is "twelve billion, two hundred sixty-five million, four hundred forty-two thousand, four hundred twenty-four".