12025247256 has 128 divisors (see below), whose sum is σ = 36472550400. Its totient is φ = 3640775040.

The previous prime is 12025247207. The next prime is 12025247263. The reversal of 12025247256 is 65274252021.

12025247256 is a `hidden beast` number, since 12 + 0 + 2 + 524 + 72 + 56 = 666.

It is a super-3 number, since 3×12025247256³ (a number of 31 digits) contains 333 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12025247256.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5256945 + ... + 5259231.

It is an arithmetic number, because the mean of its divisors is an integer number (284941800).

Almost surely, 2^12025247256 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 12025247256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18236275200).

12025247256 is an abundant number, since it is smaller than the sum of its proper divisors (24447303144).

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

12025247256 is a wasteful number, since it uses less digits than its factorization.

12025247256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4526 (or 4516 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

Adding to 12025247256 its reverse (65274252021), we get a palindrome (77299499277).

The spelling of 12025247256 in words is "twelve billion, twenty-five million, two hundred forty-seven thousand, two hundred fifty-six".