212548734 has 12 divisors (see below), whose sum is σ = 460522296. Its totient is φ = 70849572.

The previous prime is 212548733. The next prime is 212548751. The reversal of 212548734 is 437845212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212548733) 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 5 ways as a sum of consecutive naturals, for example, 5904114 + ... + 5904149.

It is an arithmetic number, because the mean of its divisors is an integer number (38376858).

Almost surely, 2^212548734 is an apocalyptic number.

212548734 is an abundant number, since it is smaller than the sum of its proper divisors (247973562).

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

212548734 is a wasteful number, since it uses less digits than its factorization.

212548734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11808271 (or 11808268 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 212548734 is about 14579.0512036964. The cubic root of 212548734 is about 596.7872106806.

The spelling of 212548734 in words is "two hundred twelve million, five hundred forty-eight thousand, seven hundred thirty-four".