212527242 has 24 divisors (see below), whose sum is σ = 471186144. Its totient is φ = 69194664.

The previous prime is 212527187. The next prime is 212527243. The reversal of 212527242 is 242725212.

It is not an unprimeable number, because it can be changed into a prime (212527243) 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 11 ways as a sum of consecutive naturals, for example, 136518 + ... + 138065.

It is an arithmetic number, because the mean of its divisors is an integer number (19632756).

Almost surely, 2^212527242 is an apocalyptic number.

212527242 is an abundant number, since it is smaller than the sum of its proper divisors (258658902).

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

212527242 is a wasteful number, since it uses less digits than its factorization.

212527242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274634 (or 274631 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 212527242 is about 14578.3141000597. The cubic root of 212527242 is about 596.7670951636.

The spelling of 212527242 in words is "two hundred twelve million, five hundred twenty-seven thousand, two hundred forty-two".