212249504 has 12 divisors (see below), whose sum is σ = 417866274. Its totient is φ = 106124736.

The previous prime is 212249503. The next prime is 212249507. The reversal of 212249504 is 405942212.

It can be written as a sum of positive squares in only one way, i.e., 158256400 + 53993104 = 12580^2 + 7348^2 .

It is not an unprimeable number, because it can be changed into a prime (212249503) 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 as a sum of consecutive naturals, namely, 3316367 + ... + 3316430.

Almost surely, 2^212249504 is an apocalyptic number.

It is an amenable number.

212249504 is a deficient number, since it is larger than the sum of its proper divisors (205616770).

212249504 is an equidigital number, since it uses as much as digits as its factorization.

212249504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6632807 (or 6632799 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 212249504 is about 14568.7852616476. The cubic root of 212249504 is about 596.5070231672.

The spelling of 212249504 in words is "two hundred twelve million, two hundred forty-nine thousand, five hundred four".