42847387078212 has 48 divisors (see below), whose sum is σ = 113669209487680. Its totient is φ = 13950312070464.

The previous prime is 42847387078189. The next prime is 42847387078253. The reversal of 42847387078212 is 21287078374824.

42847387078212 is a `hidden beast` number, since 4 + 2 + 8 + 473 + 8 + 70 + 7 + 82 + 12 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 42847387078212.

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, 4613193793 + ... + 4613203080.

Almost surely, 2^{42847387078212} is an apocalyptic number.

It is an amenable number.

42847387078212 is an abundant number, since it is smaller than the sum of its proper divisors (70821822409468).

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

42847387078212 is a wasteful number, since it uses less digits than its factorization.

42847387078212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9226396929 (or 9226396921 counting only the distinct ones).

The product of its (nonzero) digits is 67436544, while the sum is 63.

The spelling of 42847387078212 in words is "forty-two trillion, eight hundred forty-seven billion, three hundred eighty-seven million, seventy-eight thousand, two hundred twelve".