212523141 has 8 divisors (see below), whose sum is σ = 284930464. Its totient is φ = 140898960.

The previous prime is 212523139. The next prime is 212523169. The reversal of 212523141 is 141325212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212523141 - 2¹ = 212523139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212523121) 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 7 ways as a sum of consecutive naturals, for example, 195151 + ... + 196236.

It is an arithmetic number, because the mean of its divisors is an integer number (35616308).

Almost surely, 2^212523141 is an apocalyptic number.

It is an amenable number.

212523141 is a deficient number, since it is larger than the sum of its proper divisors (72407323).

212523141 is a wasteful number, since it uses less digits than its factorization.

212523141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391571.

The product of its digits is 480, while the sum is 21.

The square root of 212523141 is about 14578.1734452571. The cubic root of 212523141 is about 596.7632566633.

Adding to 212523141 its reverse (141325212), we get a palindrome (353848353).

The spelling of 212523141 in words is "two hundred twelve million, five hundred twenty-three thousand, one hundred forty-one".