43121210112104 has 16 divisors (see below), whose sum is σ = 81262686572100. Its totient is φ = 21451160359552.

The previous prime is 43121210112037. The next prime is 43121210112121. The reversal of 43121210112104 is 40121101212134.

43121210112104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 27298555939204 + 15822654172900 = 5224802^2 + 3977770^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 43121210112104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13680585389 + ... + 13680588540.

Almost surely, 2^{43121210112104} is an apocalyptic number.

It is an amenable number.

43121210112104 is a deficient number, since it is larger than the sum of its proper divisors (38141476459996).

43121210112104 is a wasteful number, since it uses less digits than its factorization.

43121210112104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27361174132 (or 27361174128 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 43121210112104 its reverse (40121101212134), we get a palindrome (83242311324238).

The spelling of 43121210112104 in words is "forty-three trillion, one hundred twenty-one billion, two hundred ten million, one hundred twelve thousand, one hundred four".