43213040255312 has 20 divisors (see below), whose sum is σ = 83725705333920. Its totient is φ = 21606406620768.

The previous prime is 43213040255311. The next prime is 43213040255351. The reversal of 43213040255312 is 21355204031234.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43213040255311) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 3910028 + ... + 10085355.

It is an arithmetic number, because the mean of its divisors is an integer number (4186285266696).

Almost surely, 2^{43213040255312} is an apocalyptic number.

It is an amenable number.

43213040255312 is a deficient number, since it is larger than the sum of its proper divisors (40512665078608).

43213040255312 is a wasteful number, since it uses less digits than its factorization.

43213040255312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14188370 (or 14188364 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 43213040255312 its reverse (21355204031234), we get a palindrome (64568244286546).

The spelling of 43213040255312 in words is "forty-three trillion, two hundred thirteen billion, forty million, two hundred fifty-five thousand, three hundred twelve".