512703217272872 has 64 divisors (see below), whose sum is σ = 978001631228160. Its totient is φ = 251928196531200.

The previous prime is 512703217272847. The next prime is 512703217272881. The reversal of 512703217272872 is 278272712307215.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4171954547 + ... + 4172077437.

It is an arithmetic number, because the mean of its divisors is an integer number (15281275487940).

Almost surely, 2^{512703217272872} is an apocalyptic number.

It is an amenable number.

512703217272872 is a deficient number, since it is larger than the sum of its proper divisors (465298413955288).

512703217272872 is a wasteful number, since it uses less digits than its factorization.

512703217272872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148674 (or 148670 counting only the distinct ones).

The product of its (nonzero) digits is 9219840, while the sum is 56.

The spelling of 512703217272872 in words is "five hundred twelve trillion, seven hundred three billion, two hundred seventeen million, two hundred seventy-two thousand, eight hundred seventy-two".