212067215 has 16 divisors (see below), whose sum is σ = 257774400. Its totient is φ = 167469312.

The previous prime is 212067179. The next prime is 212067217. The reversal of 212067215 is 512760212.

It is a cyclic number.

It is not a de Polignac number, because 212067215 - 2¹⁸ = 211805071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212067217) 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, 261731 + ... + 262539.

It is an arithmetic number, because the mean of its divisors is an integer number (16110900).

Almost surely, 2^212067215 is an apocalyptic number.

212067215 is a deficient number, since it is larger than the sum of its proper divisors (45707185).

212067215 is a wasteful number, since it uses less digits than its factorization.

212067215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 212067215 is about 14562.5277682139. The cubic root of 212067215 is about 596.3362056296.

The spelling of 212067215 in words is "two hundred twelve million, sixty-seven thousand, two hundred fifteen".