512215412200 has 48 divisors (see below), whose sum is σ = 1192015363500. Its totient is φ = 204694417920.

The previous prime is 512215412131. The next prime is 512215412213. The reversal of 512215412200 is 2214512215.

It can be written as a sum of positive squares in 6 ways, for example, as 145238734404 + 366976677796 = 381102^2 + 605786^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 984085 + ... + 1411684.

Almost surely, 2^512215412200 is an apocalyptic number.

512215412200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

512215412200 is an abundant number, since it is smaller than the sum of its proper divisors (679799951300).

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

512215412200 is a wasteful number, since it uses less digits than its factorization.

512215412200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2396854 (or 2396845 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 512215412200 its reverse (2214512215), we get a palindrome (514429924415).

The spelling of 512215412200 in words is "five hundred twelve billion, two hundred fifteen million, four hundred twelve thousand, two hundred".