512206145162 has 4 divisors (see below), whose sum is σ = 768309217746. Its totient is φ = 256103072580.

The previous prime is 512206145161. The next prime is 512206145179. The reversal of 512206145162 is 261541602215.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 455461664641 + 56744480521 = 674879^2 + 238211^2 .

It is not an unprimeable number, because it can be changed into a prime (512206145161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128051536289 + ... + 128051536292.

Almost surely, 2^512206145162 is an apocalyptic number.

512206145162 is a deficient number, since it is larger than the sum of its proper divisors (256103072584).

512206145162 is a wasteful number, since it uses less digits than its factorization.

512206145162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256103072583.

The product of its (nonzero) digits is 28800, while the sum is 35.

Adding to 512206145162 its reverse (261541602215), we get a palindrome (773747747377).

The spelling of 512206145162 in words is "five hundred twelve billion, two hundred six million, one hundred forty-five thousand, one hundred sixty-two".