43212621234 has 32 divisors (see below), whose sum is σ = 93432703680. Its totient is φ = 13277276352.

The previous prime is 43212621229. The next prime is 43212621239.

43212621234 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (43212621229) and next prime (43212621239).

It is not an unprimeable number, because it can be changed into a prime (43212621239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5118189 + ... + 5126624.

It is an arithmetic number, because the mean of its divisors is an integer number (2919771990).

Almost surely, 2^43212621234 is an apocalyptic number.

43212621234 is an abundant number, since it is smaller than the sum of its proper divisors (50220082446).

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

43212621234 is a wasteful number, since it uses less digits than its factorization.

43212621234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10244874.

The product of its digits is 13824, while the sum is 30.

The spelling of 43212621234 in words is "forty-three billion, two hundred twelve million, six hundred twenty-one thousand, two hundred thirty-four".