212838270 has 32 divisors (see below), whose sum is σ = 511201152. Its totient is φ = 56713632.

The previous prime is 212838239. The next prime is 212838271. The reversal of 212838270 is 72838212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212838271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65709 + ... + 68871.

It is an arithmetic number, because the mean of its divisors is an integer number (15975036).

Almost surely, 2^212838270 is an apocalyptic number.

212838270 is an abundant number, since it is smaller than the sum of its proper divisors (298362882).

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

212838270 is a wasteful number, since it uses less digits than its factorization.

212838270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5416.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 212838270 is about 14588.9776886525. The cubic root of 212838270 is about 597.0580708869.

The spelling of 212838270 in words is "two hundred twelve million, eight hundred thirty-eight thousand, two hundred seventy".