212542944 has 48 divisors (see below), whose sum is σ = 575930880. Its totient is φ = 68561280.

The previous prime is 212542933. The next prime is 212542951. The reversal of 212542944 is 449245212.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

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, 32734 + ... + 38685.

It is an arithmetic number, because the mean of its divisors is an integer number (11998560).

Almost surely, 2^212542944 is an apocalyptic number.

212542944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

212542944 is an abundant number, since it is smaller than the sum of its proper divisors (363387936).

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

212542944 is a wasteful number, since it uses less digits than its factorization.

212542944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71463 (or 71455 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 212542944 is about 14578.8526297511. The cubic root of 212542944 is about 596.7817916421.

The spelling of 212542944 in words is "two hundred twelve million, five hundred forty-two thousand, nine hundred forty-four".