212536874 has 16 divisors (see below), whose sum is σ = 355877280. Its totient is φ = 94360560.

The previous prime is 212536861. The next prime is 212536921. The reversal of 212536874 is 478635212.

It is a happy number.

It is a Curzon 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, 111389 + ... + 113280.

It is an arithmetic number, because the mean of its divisors is an integer number (22242330).

Almost surely, 2^212536874 is an apocalyptic number.

212536874 is a deficient number, since it is larger than the sum of its proper divisors (143340406).

212536874 is a wasteful number, since it uses less digits than its factorization.

212536874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224725.

The product of its digits is 80640, while the sum is 38.

The square root of 212536874 is about 14578.6444500166. The cubic root of 212536874 is about 596.7761104373.

The spelling of 212536874 in words is "two hundred twelve million, five hundred thirty-six thousand, eight hundred seventy-four".