212541051 has 4 divisors (see below), whose sum is σ = 283388072. Its totient is φ = 141694032.

The previous prime is 212541041. The next prime is 212541059. The reversal of 212541051 is 150145212.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 212541051 - 2¹¹ = 212539003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212541059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35423506 + ... + 35423511.

It is an arithmetic number, because the mean of its divisors is an integer number (70847018).

Almost surely, 2^212541051 is an apocalyptic number.

212541051 is a deficient number, since it is larger than the sum of its proper divisors (70847021).

212541051 is an equidigital number, since it uses as much as digits as its factorization.

212541051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70847020.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 212541051 is about 14578.7877068020. The cubic root of 212541051 is about 596.7800199040.

Adding to 212541051 its reverse (150145212), we get a palindrome (362686263).

The spelling of 212541051 in words is "two hundred twelve million, five hundred forty-one thousand, fifty-one".