212113335 has 32 divisors (see below), whose sum is σ = 410683392. Its totient is φ = 91261440.

The previous prime is 212113333. The next prime is 212113379. The reversal of 212113335 is 533311212.

It is not a de Polignac number, because 212113335 - 2¹ = 212113333 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212113333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57631 + ... + 61200.

It is an arithmetic number, because the mean of its divisors is an integer number (12833856).

Almost surely, 2^212113335 is an apocalyptic number.

212113335 is a deficient number, since it is larger than the sum of its proper divisors (198570057).

212113335 is a wasteful number, since it uses less digits than its factorization.

212113335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118863.

The product of its digits is 540, while the sum is 21.

The square root of 212113335 is about 14564.1111984220. Note that the first 4 decimals coincide. The cubic root of 212113335 is about 596.3794325412.

Adding to 212113335 its reverse (533311212), we get a palindrome (745424547).

The spelling of 212113335 in words is "two hundred twelve million, one hundred thirteen thousand, three hundred thirty-five".