212386867 has 16 divisors (see below), whose sum is σ = 265363200. Its totient is φ = 165140640.

The previous prime is 212386819. The next prime is 212386873. The reversal of 212386867 is 768683212.

It is not a de Polignac number, because 212386867 - 2¹¹ = 212384819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212386817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36484 + ... + 41902.

It is an arithmetic number, because the mean of its divisors is an integer number (16585200).

Almost surely, 2^212386867 is an apocalyptic number.

212386867 is a deficient number, since it is larger than the sum of its proper divisors (52976333).

212386867 is a wasteful number, since it uses less digits than its factorization.

212386867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5946.

The product of its digits is 193536, while the sum is 43.

The square root of 212386867 is about 14573.4987906130. The cubic root of 212386867 is about 596.6356772950.

The spelling of 212386867 in words is "two hundred twelve million, three hundred eighty-six thousand, eight hundred sixty-seven".