212210413441 has 4 divisors (see below), whose sum is σ = 228534291412. Its totient is φ = 195886535472.

The previous prime is 212210413411. The next prime is 212210413511. The reversal of 212210413441 is 144314012212.

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 89520640000 + 122689773441 = 299200^2 + 350271^2 .

It is a cyclic number.

It is not a de Polignac number, because 212210413441 - 2⁵ = 212210413409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212210413411) 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, 8161938966 + ... + 8161938991.

It is an arithmetic number, because the mean of its divisors is an integer number (57133572853).

Almost surely, 2^212210413441 is an apocalyptic number.

It is an amenable number.

212210413441 is a deficient number, since it is larger than the sum of its proper divisors (16323877971).

212210413441 is a wasteful number, since it uses less digits than its factorization.

212210413441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16323877970.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 212210413441 its reverse (144314012212), we get a palindrome (356524425653).

The spelling of 212210413441 in words is "two hundred twelve billion, two hundred ten million, four hundred thirteen thousand, four hundred forty-one".