212064135 has 16 divisors (see below), whose sum is σ = 339487200. Its totient is φ = 113039360.

The previous prime is 212064133. The next prime is 212064143. The reversal of 212064135 is 531460212.

It is not a de Polignac number, because 212064135 - 2¹ = 212064133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212064133) 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, 43291 + ... + 47939.

It is an arithmetic number, because the mean of its divisors is an integer number (21217950).

Almost surely, 2^212064135 is an apocalyptic number.

212064135 is a deficient number, since it is larger than the sum of its proper divisors (127423065).

212064135 is a wasteful number, since it uses less digits than its factorization.

212064135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7698.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 212064135 is about 14562.4220169586. The cubic root of 212064135 is about 596.3333186135. Note that the first 4 decimals are identical.

The spelling of 212064135 in words is "two hundred twelve million, sixty-four thousand, one hundred thirty-five".