512208021125 has 12 divisors (see below), whose sum is σ = 639245596548. Its totient is φ = 409760015600.

The previous prime is 512208021089. The next prime is 512208021163. The reversal of 512208021125 is 521120802215.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 6 ways, for example, as 13660466884 + 498547554241 = 116878^2 + 706079^2 .

It is a de Polignac number, because none of the positive numbers 2^k-512208021125 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 7969619 + ... + 8033631.

It is an arithmetic number, because the mean of its divisors is an integer number (53270466379).

Almost surely, 2^512208021125 is an apocalyptic number.

It is an amenable number.

512208021125 is a deficient number, since it is larger than the sum of its proper divisors (127037575423).

512208021125 is an frugal number, since it uses more digits than its factorization.

512208021125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128041 (or 64018 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 29.

The spelling of 512208021125 in words is "five hundred twelve billion, two hundred eight million, twenty-one thousand, one hundred twenty-five".