212544052 has 24 divisors (see below), whose sum is σ = 425597760. Its totient is φ = 90981120.

The previous prime is 212544043. The next prime is 212544053. The reversal of 212544052 is 250445212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212544053) 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, 21927 + ... + 30097.

It is an arithmetic number, because the mean of its divisors is an integer number (17733240).

Almost surely, 2^212544052 is an apocalyptic number.

It is an amenable number.

212544052 is an abundant number, since it is smaller than the sum of its proper divisors (213053708).

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

212544052 is a wasteful number, since it uses less digits than its factorization.

212544052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9111 (or 9109 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 212544052 is about 14578.8906299485. The cubic root of 212544052 is about 596.7828286609.

Adding to 212544052 its reverse (250445212), we get a palindrome (462989264).

It can be divided in two parts, 21254405 and 2, that multiplied together give a triangular number (42508810 = T₉₂₂₀).

The spelling of 212544052 in words is "two hundred twelve million, five hundred forty-four thousand, fifty-two".