212100004441 has 8 divisors (see below), whose sum is σ = 229928076224. Its totient is φ = 194488030800.

The previous prime is 212100004439. The next prime is 212100004471. The reversal of 212100004441 is 144400001212.

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 212100004441 - 2¹ = 212100004439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212100004471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54022491 + ... + 54026416.

It is an arithmetic number, because the mean of its divisors is an integer number (28741009528).

Almost surely, 2^212100004441 is an apocalyptic number.

It is an amenable number.

212100004441 is a deficient number, since it is larger than the sum of its proper divisors (17828071783).

212100004441 is a wasteful number, since it uses less digits than its factorization.

212100004441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108049071.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 212100004441 its reverse (144400001212), we get a palindrome (356500005653).

The spelling of 212100004441 in words is "two hundred twelve billion, one hundred million, four thousand, four hundred forty-one".