512101420 has 12 divisors (see below), whose sum is σ = 1075413024. Its totient is φ = 204840560.

The previous prime is 512101399. The next prime is 512101531. The reversal of 512101420 is 24101215.

It is a junction number, because it is equal to n+sod(n) for n = 512101394 and 512101403.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12802516 + ... + 12802555.

It is an arithmetic number, because the mean of its divisors is an integer number (89617752).

Almost surely, 2^512101420 is an apocalyptic number.

It is an amenable number.

512101420 is an abundant number, since it is smaller than the sum of its proper divisors (563311604).

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

512101420 is a wasteful number, since it uses less digits than its factorization.

512101420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25605080 (or 25605078 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 512101420 is about 22629.6579735532. The cubic root of 512101420 is about 800.0528194292.

Adding to 512101420 its reverse (24101215), we get a palindrome (536202635).

The spelling of 512101420 in words is "five hundred twelve million, one hundred one thousand, four hundred twenty".