1255102200000 has 504 divisors, whose sum is σ = 4905477748080. Its totient is φ = 304262400000.

The previous prime is 1255102199977. The next prime is 1255102200017. The reversal of 1255102200000 is 22015521.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 19768306 + ... + 19831694.

It is an arithmetic number, because the mean of its divisors is an integer number (9733090770).

Almost surely, 2^{1255102200000} is an apocalyptic number.

1255102200000 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 1255102200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2452738874040).

1255102200000 is an abundant number, since it is smaller than the sum of its proper divisors (3650375548080).

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

1255102200000 is an equidigital number, since it uses as much as digits as its factorization.

1255102200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63443 (or 63410 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

Adding to 1255102200000 its reverse (22015521), we get a palindrome (1255124215521).

The spelling of 1255102200000 in words is "one trillion, two hundred fifty-five billion, one hundred two million, two hundred thousand".