12255333000240 has 160 divisors (see below), whose sum is σ = 41454207475200. Its totient is φ = 2970351861760.

The previous prime is 12255333000233. The next prime is 12255333000241. The reversal of 12255333000240 is 4200033355221.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 12255333000198 and 12255333000207.

It is not an unprimeable number, because it can be changed into a prime (12255333000241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11856496 + ... + 12848624.

It is an arithmetic number, because the mean of its divisors is an integer number (259088796720).

Almost surely, 2^{12255333000240} is an apocalyptic number.

12255333000240 is a gapful number since it is divisible by the number (10) 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 12255333000240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20727103737600).

12255333000240 is an abundant number, since it is smaller than the sum of its proper divisors (29198874474960).

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

12255333000240 is a wasteful number, since it uses less digits than its factorization.

12255333000240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996835 (or 996829 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 12255333000240 its reverse (4200033355221), we get a palindrome (16455366355461).

The spelling of 12255333000240 in words is "twelve trillion, two hundred fifty-five billion, three hundred thirty-three million, two hundred forty", and thus it is an aban number.