255505431212000 has 96 divisors (see below), whose sum is σ = 627840980099424. Its totient is φ = 102191731200000.

The previous prime is 255505431211997. The next prime is 255505431212063. The reversal of 255505431212000 is 212134505552.

It is a happy number.

It is a congruent number.

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, 35954000 + ... + 42470000.

It is an arithmetic number, because the mean of its divisors is an integer number (6540010209369).

Almost surely, 2^{255505431212000} is an apocalyptic number.

255505431212000 is a gapful number since it is divisible by the number (20) 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 255505431212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313920490049712).

255505431212000 is an abundant number, since it is smaller than the sum of its proper divisors (372335548887424).

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

255505431212000 is an equidigital number, since it uses as much as digits as its factorization.

255505431212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6525829 (or 6525811 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

Adding to 255505431212000 its reverse (212134505552), we get a palindrome (255717565717552).

The spelling of 255505431212000 in words is "two hundred fifty-five trillion, five hundred five billion, four hundred thirty-one million, two hundred twelve thousand".