212265135 has 24 divisors (see below), whose sum is σ = 371577024. Its totient is φ = 112084800.

The previous prime is 212265121. The next prime is 212265139. The reversal of 212265135 is 531562212.

It is a happy number.

212265135 is a `hidden beast` number, since 2 + 1 + 2 + 2 + 651 + 3 + 5 = 666.

It is not a de Polignac number, because 212265135 - 2⁹ = 212264623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212265099 and 212265108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212265139) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18807 + ... + 27896.

It is an arithmetic number, because the mean of its divisors is an integer number (15482376).

Almost surely, 2^212265135 is an apocalyptic number.

212265135 is a deficient number, since it is larger than the sum of its proper divisors (159311889).

212265135 is a wasteful number, since it uses less digits than its factorization.

212265135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46815 (or 46812 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 212265135 is about 14569.3217069293. The cubic root of 212265135 is about 596.5216659535.

The spelling of 212265135 in words is "two hundred twelve million, two hundred sixty-five thousand, one hundred thirty-five".