212010422 has 16 divisors (see below), whose sum is σ = 342785520. Its totient is φ = 97763232.

The previous prime is 212010401. The next prime is 212010427. The reversal of 212010422 is 224010212.

It is a junction number, because it is equal to n+sod(n) for n = 212010397 and 212010406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212010427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32729 + ... + 38667.

It is an arithmetic number, because the mean of its divisors is an integer number (21424095).

Almost surely, 2^212010422 is an apocalyptic number.

212010422 is a deficient number, since it is larger than the sum of its proper divisors (130775098).

212010422 is a wasteful number, since it uses less digits than its factorization.

212010422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7327.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 212010422 is about 14560.5776671120. The cubic root of 212010422 is about 596.2829666194.

Adding to 212010422 its reverse (224010212), we get a palindrome (436020634).

The spelling of 212010422 in words is "two hundred twelve million, ten thousand, four hundred twenty-two".