212245011 has 18 divisors (see below), whose sum is σ = 336982100. Its totient is φ = 128632680.

The previous prime is 212245009. The next prime is 212245031. The reversal of 212245011 is 110542212.

212245011 is a `hidden beast` number, since 212 + 2 + 450 + 1 + 1 = 666.

It is not a de Polignac number, because 212245011 - 2¹ = 212245009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212245001) 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 17 ways as a sum of consecutive naturals, for example, 96361 + ... + 98538.

Almost surely, 2^212245011 is an apocalyptic number.

212245011 is a deficient number, since it is larger than the sum of its proper divisors (124737089).

212245011 is a wasteful number, since it uses less digits than its factorization.

212245011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194927 (or 194913 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 212245011 is about 14568.6310612906. The cubic root of 212245011 is about 596.5028140879.

Adding to 212245011 its reverse (110542212), we get a palindrome (322787223).

The spelling of 212245011 in words is "two hundred twelve million, two hundred forty-five thousand, eleven".