212420434441 has 8 divisors (see below), whose sum is σ = 225000771840. Its totient is φ = 199849543488.

The previous prime is 212420434433. The next prime is 212420434483. The reversal of 212420434441 is 144434024212.

It is a happy number.

212420434441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 212420434441 - 2³ = 212420434433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212420434741) 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 7 ways as a sum of consecutive naturals, for example, 2315281 + ... + 2405278.

It is an arithmetic number, because the mean of its divisors is an integer number (28125096480).

Almost surely, 2^212420434441 is an apocalyptic number.

It is an amenable number.

212420434441 is a deficient number, since it is larger than the sum of its proper divisors (12580337399).

212420434441 is a wasteful number, since it uses less digits than its factorization.

212420434441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4723223.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 212420434441 its reverse (144434024212), we get a palindrome (356854458653).

The spelling of 212420434441 in words is "two hundred twelve billion, four hundred twenty million, four hundred thirty-four thousand, four hundred forty-one".