212434353 has 32 divisors (see below), whose sum is σ = 324696320. Its totient is φ = 137168640.

The previous prime is 212434349. The next prime is 212434361. The reversal of 212434353 is 353434212.

It is not a de Polignac number, because 212434353 - 2² = 212434349 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (212434253) 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, 336348 + ... + 336978.

It is an arithmetic number, because the mean of its divisors is an integer number (10146760).

Almost surely, 2^212434353 is an apocalyptic number.

It is an amenable number.

212434353 is a deficient number, since it is larger than the sum of its proper divisors (112261967).

212434353 is a wasteful number, since it uses less digits than its factorization.

212434353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014 (or 1008 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 212434353 is about 14575.1278896619. The cubic root of 212434353 is about 596.6801397594.

Adding to 212434353 its reverse (353434212), we get a palindrome (565868565).

The spelling of 212434353 in words is "two hundred twelve million, four hundred thirty-four thousand, three hundred fifty-three".