43212112004441 has 4 divisors (see below), whose sum is σ = 43220363319972. Its totient is φ = 43203860688912.

The previous prime is 43212112004389. The next prime is 43212112004447. The reversal of 43212112004441 is 14440021121234.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30966108678400 + 12246003326041 = 5564720^2 + 3499429^2 .

It is a cyclic number.

It is not a de Polignac number, because 43212112004441 - 2³⁰ = 43211038262617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (43212112004447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4125649910 + ... + 4125660383.

It is an arithmetic number, because the mean of its divisors is an integer number (10805090829993).

Almost surely, 2^{43212112004441} is an apocalyptic number.

It is an amenable number.

43212112004441 is a deficient number, since it is larger than the sum of its proper divisors (8251315531).

43212112004441 is an equidigital number, since it uses as much as digits as its factorization.

43212112004441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8251315530.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 43212112004441 its reverse (14440021121234), we get a palindrome (57652133125675).

The spelling of 43212112004441 in words is "forty-three trillion, two hundred twelve billion, one hundred twelve million, four thousand, four hundred forty-one".