12040152256 has 112 divisors (see below), whose sum is σ = 28382976000. Its totient is φ = 5005808640.

The previous prime is 12040152247. The next prime is 12040152331. The reversal of 12040152256 is 65225104021.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 372385 + ... + 403423.

Almost surely, 2^12040152256 is an apocalyptic number.

12040152256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12040152256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14191488000).

12040152256 is an abundant number, since it is smaller than the sum of its proper divisors (16342823744).

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

12040152256 is a wasteful number, since it uses less digits than its factorization.

12040152256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31110 (or 31100 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 12040152256 its reverse (65225104021), we get a palindrome (77265256277).

The spelling of 12040152256 in words is "twelve billion, forty million, one hundred fifty-two thousand, two hundred fifty-six".