212443423043401 has 8 divisors (see below), whose sum is σ = 236129224927104. Its totient is φ = 189486415063920.

The previous prime is 212443423043387. The next prime is 212443423043407. The reversal of 212443423043401 is 104340324344212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212443423043401 - 2²¹ = 212443420946249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212443423043407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182198475441 + ... + 182198476606.

It is an arithmetic number, because the mean of its divisors is an integer number (29516153115888).

Almost surely, 2^{212443423043401} is an apocalyptic number.

It is an amenable number.

212443423043401 is a deficient number, since it is larger than the sum of its proper divisors (23685801883703).

212443423043401 is a wasteful number, since it uses less digits than its factorization.

212443423043401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364396952111.

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 212443423043401 its reverse (104340324344212), we get a palindrome (316783747387613).

The spelling of 212443423043401 in words is "two hundred twelve trillion, four hundred forty-three billion, four hundred twenty-three million, forty-three thousand, four hundred one".