43212134 has 16 divisors (see below), whose sum is σ = 74169888. Its totient is φ = 18496512.

The previous prime is 43212097. The next prime is 43212139. The reversal of 43212134 is 43121234.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43212139) 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, 14804 + ... + 17480.

It is an arithmetic number, because the mean of its divisors is an integer number (4635618).

Almost surely, 2^43212134 is an apocalyptic number.

43212134 is a deficient number, since it is larger than the sum of its proper divisors (30957754).

43212134 is a wasteful number, since it uses less digits than its factorization.

43212134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3839.

The product of its digits is 576, while the sum is 20.

The square root of 43212134 is about 6573.5936899081. The cubic root of 43212134 is about 350.9149773910.

Adding to 43212134 its reverse (43121234), we get a palindrome (86333368).

The spelling of 43212134 in words is "forty-three million, two hundred twelve thousand, one hundred thirty-four".