212523064 has 16 divisors (see below), whose sum is σ = 429133320. Its totient is φ = 98087520.

The previous prime is 212523053. The next prime is 212523067. The reversal of 212523064 is 460325212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212523067) 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 3 ways as a sum of consecutive naturals, for example, 1021642 + ... + 1021849.

Almost surely, 2^212523064 is an apocalyptic number.

It is an amenable number.

212523064 is an abundant number, since it is smaller than the sum of its proper divisors (216610256).

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

212523064 is a wasteful number, since it uses less digits than its factorization.

212523064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043510 (or 2043506 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 212523064 is about 14578.1708043225. The cubic root of 212523064 is about 596.7631845915.

Adding to 212523064 its reverse (460325212), we get a palindrome (672848276).

The spelling of 212523064 in words is "two hundred twelve million, five hundred twenty-three thousand, sixty-four".