8434473457212 has 36 divisors (see below), whose sum is σ = 23258699534616. Its totient is φ = 2555901047520.

The previous prime is 8434473457181. The next prime is 8434473457237. The reversal of 8434473457212 is 2127543744348.

8434473457212 is a `hidden beast` number, since 8 + 4 + 34 + 4 + 7 + 34 + 572 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×8434473457212² (a number of 27 digits) contains 22 as substring.

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, 10649587303 + ... + 10649588094.

Almost surely, 2^{8434473457212} is an apocalyptic number.

It is an amenable number.

8434473457212 is an abundant number, since it is smaller than the sum of its proper divisors (14824226077404).

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

8434473457212 is a wasteful number, since it uses less digits than its factorization.

8434473457212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21299175418 (or 21299175413 counting only the distinct ones).

The product of its digits is 18063360, while the sum is 54.

The spelling of 8434473457212 in words is "eight trillion, four hundred thirty-four billion, four hundred seventy-three million, four hundred fifty-seven thousand, two hundred twelve".