212245024 has 24 divisors (see below), whose sum is σ = 429153228. Its totient is φ = 103253760.

The previous prime is 212245009. The next prime is 212245031. The reversal of 212245024 is 420542212.

It can be written as a sum of positive squares in 2 ways, for example, as 199713424 + 12531600 = 14132^2 + 3540^2 .

It is a junction number, because it is equal to n+sod(n) for n = 212244986 and 212245004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88447 + ... + 90814.

Almost surely, 2^212245024 is an apocalyptic number.

It is an amenable number.

212245024 is an abundant number, since it is smaller than the sum of its proper divisors (216908204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212245024 is a wasteful number, since it uses less digits than its factorization.

212245024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179308 (or 179300 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 212245024 is about 14568.6315074546. The cubic root of 212245024 is about 596.5028262665.

Adding to 212245024 its reverse (420542212), we get a palindrome (632787236).

The spelling of 212245024 in words is "two hundred twelve million, two hundred forty-five thousand, twenty-four".