212966534 has 12 divisors (see below), whose sum is σ = 351131172. Its totient is φ = 96802860.

The previous prime is 212966527. The next prime is 212966539. The reversal of 212966534 is 435669212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212966539) 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 5 ways as a sum of consecutive naturals, for example, 439772 + ... + 440255.

It is an arithmetic number, because the mean of its divisors is an integer number (29260931).

Almost surely, 2^212966534 is an apocalyptic number.

212966534 is a deficient number, since it is larger than the sum of its proper divisors (138164638).

212966534 is a wasteful number, since it uses less digits than its factorization.

212966534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880051 (or 880040 counting only the distinct ones).

The product of its digits is 77760, while the sum is 38.

The square root of 212966534 is about 14593.3729480199. The cubic root of 212966534 is about 597.1779830281.

The spelling of 212966534 in words is "two hundred twelve million, nine hundred sixty-six thousand, five hundred thirty-four".