128255022312250 has 32 divisors (see below), whose sum is σ = 240102776691648. Its totient is φ = 51300005736400.

The previous prime is 128255022312217. The next prime is 128255022312257. The reversal of 128255022312250 is 52213220552821.

It is not an unprimeable number, because it can be changed into a prime (128255022312257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3592372 + ... + 16413871.

It is an arithmetic number, because the mean of its divisors is an integer number (7503211771614).

Almost surely, 2^{128255022312250} is an apocalyptic number.

128255022312250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128255022312250 is a deficient number, since it is larger than the sum of its proper divisors (111847754379398).

128255022312250 is a wasteful number, since it uses less digits than its factorization.

128255022312250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20031903 (or 20031893 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 40.

The spelling of 128255022312250 in words is "one hundred twenty-eight trillion, two hundred fifty-five billion, twenty-two million, three hundred twelve thousand, two hundred fifty".