256031230112 has 96 divisors (see below), whose sum is σ = 597069728640. Its totient is φ = 105782215680.

The previous prime is 256031230069. The next prime is 256031230129. The reversal of 256031230112 is 211032130652.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 761687 + ... + 1045097.

It is an arithmetic number, because the mean of its divisors is an integer number (6219476340).

Almost surely, 2^256031230112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 256031230112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298534864320).

256031230112 is an abundant number, since it is smaller than the sum of its proper divisors (341038498528).

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

256031230112 is a wasteful number, since it uses less digits than its factorization.

256031230112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283574 (or 283566 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 256031230112 its reverse (211032130652), we get a palindrome (467063360764).

The spelling of 256031230112 in words is "two hundred fifty-six billion, thirty-one million, two hundred thirty thousand, one hundred twelve".