43534855212 has 48 divisors (see below), whose sum is σ = 107597629440. Its totient is φ = 13652796672.

The previous prime is 43534855207. The next prime is 43534855213. The reversal of 43534855212 is 21255843534.

It is not an unprimeable number, because it can be changed into a prime (43534855213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 515433 + ... + 593919.

It is an arithmetic number, because the mean of its divisors is an integer number (2241617280).

Almost surely, 2^43534855212 is an apocalyptic number.

It is an amenable number.

43534855212 is an abundant number, since it is smaller than the sum of its proper divisors (64062774228).

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

43534855212 is a wasteful number, since it uses less digits than its factorization.

43534855212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81230 (or 81228 counting only the distinct ones).

The product of its digits is 576000, while the sum is 42.

The spelling of 43534855212 in words is "forty-three billion, five hundred thirty-four million, eight hundred fifty-five thousand, two hundred twelve".