512225405124 has 96 divisors (see below), whose sum is σ = 1285418502144. Its totient is φ = 158356788480.

The previous prime is 512225405119. The next prime is 512225405141. The reversal of 512225405124 is 421504522215.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1705657 + ... + 1983359.

It is an arithmetic number, because the mean of its divisors is an integer number (13389776064).

Almost surely, 2^512225405124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 512225405124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (642709251072).

512225405124 is an abundant number, since it is smaller than the sum of its proper divisors (773193097020).

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

512225405124 is a wasteful number, since it uses less digits than its factorization.

512225405124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277937 (or 277935 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 33.

Adding to 512225405124 its reverse (421504522215), we get a palindrome (933729927339).

The spelling of 512225405124 in words is "five hundred twelve billion, two hundred twenty-five million, four hundred five thousand, one hundred twenty-four".