505121332000 has 96 divisors (see below), whose sum is σ = 1243094186880. Its totient is φ = 201721132800.

The previous prime is 505121331983. The next prime is 505121332069. The reversal of 505121332000 is 233121505.

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, 2373997 + ... + 2578003.

It is an arithmetic number, because the mean of its divisors is an integer number (12948897780).

Almost surely, 2^505121332000 is an apocalyptic number.

505121332000 is a gapful number since it is divisible by the number (50) 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 505121332000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (621547093440).

505121332000 is an abundant number, since it is smaller than the sum of its proper divisors (737972854880).

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

505121332000 is a wasteful number, since it uses less digits than its factorization.

505121332000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204651 (or 204633 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

Adding to 505121332000 its reverse (233121505), we get a palindrome (505354453505).

The spelling of 505121332000 in words is "five hundred five billion, one hundred twenty-one million, three hundred thirty-two thousand".