12274256838 has 16 divisors (see below), whose sum is σ = 25147258416. Its totient is φ = 3991628160.

The previous prime is 12274256833. The next prime is 12274256881. The reversal of 12274256838 is 83865247221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12274256833) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 24947431 + ... + 24947922.

It is an arithmetic number, because the mean of its divisors is an integer number (1571703651).

Almost surely, 2^12274256838 is an apocalyptic number.

12274256838 is an abundant number, since it is smaller than the sum of its proper divisors (12873001578).

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

12274256838 is a wasteful number, since it uses less digits than its factorization.

12274256838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49895399.

The product of its digits is 1290240, while the sum is 48.

The spelling of 12274256838 in words is "twelve billion, two hundred seventy-four million, two hundred fifty-six thousand, eight hundred thirty-eight".