212532454 has 8 divisors (see below), whose sum is σ = 318879360. Its totient is φ = 106239336.

The previous prime is 212532433. The next prime is 212532457. The reversal of 212532454 is 454235212.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212532457) 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, 1414 + ... + 20665.

It is an arithmetic number, because the mean of its divisors is an integer number (39859920).

Almost surely, 2^212532454 is an apocalyptic number.

212532454 is a deficient number, since it is larger than the sum of its proper divisors (106346906).

212532454 is a wasteful number, since it uses less digits than its factorization.

212532454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26894.

The product of its digits is 9600, while the sum is 28.

The square root of 212532454 is about 14578.4928576311. The cubic root of 212532454 is about 596.7719734788.

Adding to 212532454 its reverse (454235212), we get a palindrome (666767666).

The spelling of 212532454 in words is "two hundred twelve million, five hundred thirty-two thousand, four hundred fifty-four".