12421404265 has 16 divisors (see below), whose sum is σ = 16090099200. Its totient is φ = 9177310912.

The previous prime is 12421404241. The next prime is 12421404271. The reversal of 12421404265 is 56240412421.

It is a cyclic number.

It is not a de Polignac number, because 12421404265 - 2³¹ = 10273920617 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1858945 + ... + 1865614.

It is an arithmetic number, because the mean of its divisors is an integer number (1005631200).

Almost surely, 2^12421404265 is an apocalyptic number.

It is an amenable number.

12421404265 is a deficient number, since it is larger than the sum of its proper divisors (3668694935).

12421404265 is a wasteful number, since it uses less digits than its factorization.

12421404265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3724616.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 12421404265 its reverse (56240412421), we get a palindrome (68661816686).

The spelling of 12421404265 in words is "twelve billion, four hundred twenty-one million, four hundred four thousand, two hundred sixty-five".