512330534342221 has 16 divisors (see below), whose sum is σ = 586464054165504. Its totient is φ = 438432982694784.

The previous prime is 512330534342167. The next prime is 512330534342233. The reversal of 512330534342221 is 122243435033215.

It is not a de Polignac number, because 512330534342221 - 2²⁷ = 512330400124493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512330534342821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52915380 + ... + 61844146.

It is an arithmetic number, because the mean of its divisors is an integer number (36654003385344).

Almost surely, 2^{512330534342221} is an apocalyptic number.

It is an amenable number.

512330534342221 is a deficient number, since it is larger than the sum of its proper divisors (74133519823283).

512330534342221 is a wasteful number, since it uses less digits than its factorization.

512330534342221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8941980.

The product of its (nonzero) digits is 518400, while the sum is 40.

Adding to 512330534342221 its reverse (122243435033215), we get a palindrome (634573969375436).

The spelling of 512330534342221 in words is "five hundred twelve trillion, three hundred thirty billion, five hundred thirty-four million, three hundred forty-two thousand, two hundred twenty-one".