212440210001 has 4 divisors (see below), whose sum is σ = 215610959472. Its totient is φ = 209269460532.

The previous prime is 212440209983. The next prime is 212440210013. The reversal of 212440210001 is 100012044212.

212440210001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212440210001 - 2⁶ = 212440209937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212440210051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1585374635 + ... + 1585374768.

It is an arithmetic number, because the mean of its divisors is an integer number (53902739868).

Almost surely, 2^212440210001 is an apocalyptic number.

It is an amenable number.

212440210001 is a deficient number, since it is larger than the sum of its proper divisors (3170749471).

212440210001 is an equidigital number, since it uses as much as digits as its factorization.

212440210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3170749470.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 212440210001 its reverse (100012044212), we get a palindrome (312452254213).

The spelling of 212440210001 in words is "two hundred twelve billion, four hundred forty million, two hundred ten thousand, one".