43312521212 has 6 divisors (see below), whose sum is σ = 75796912128. Its totient is φ = 21656260604.

The previous prime is 43312521199. The next prime is 43312521229. The reversal of 43312521212 is 21212521334.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5414065148 + ... + 5414065155.

It is an arithmetic number, because the mean of its divisors is an integer number (12632818688).

Almost surely, 2^43312521212 is an apocalyptic number.

It is an amenable number.

43312521212 is a deficient number, since it is larger than the sum of its proper divisors (32484390916).

43312521212 is a wasteful number, since it uses less digits than its factorization.

43312521212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10828130307 (or 10828130305 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The spelling of 43312521212 in words is "forty-three billion, three hundred twelve million, five hundred twenty-one thousand, two hundred twelve".