8434534120212 has 24 divisors (see below), whose sum is σ = 20138267513056. Its totient is φ = 2746127387808.

The previous prime is 8434534120157. The next prime is 8434534120217. The reversal of 8434534120212 is 2120214354348.

It is a super-2 number, since 2×8434534120212² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8434534120217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8172997663 + ... + 8172998694.

Almost surely, 2^{8434534120212} is an apocalyptic number.

It is an amenable number.

8434534120212 is an abundant number, since it is smaller than the sum of its proper divisors (11703733392844).

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

8434534120212 is a wasteful number, since it uses less digits than its factorization.

8434534120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16345996407 (or 16345996405 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 39.

The spelling of 8434534120212 in words is "eight trillion, four hundred thirty-four billion, five hundred thirty-four million, one hundred twenty thousand, two hundred twelve".