212205513 has 8 divisors (see below), whose sum is σ = 304705408. Its totient is φ = 130587984.

The previous prime is 212205493. The next prime is 212205523. The reversal of 212205513 is 315502212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212205513 - 2¹⁴ = 212189129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212205513.

It is not an unprimeable number, because it can be changed into a prime (212205523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2720545 + ... + 2720622.

It is an arithmetic number, because the mean of its divisors is an integer number (38088176).

Almost surely, 2^212205513 is an apocalyptic number.

It is an amenable number.

212205513 is a deficient number, since it is larger than the sum of its proper divisors (92499895).

212205513 is a wasteful number, since it uses less digits than its factorization.

212205513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5441183.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 212205513 is about 14567.2754144349. The cubic root of 212205513 is about 596.4658094806.

Adding to 212205513 its reverse (315502212), we get a palindrome (527707725).

The spelling of 212205513 in words is "two hundred twelve million, two hundred five thousand, five hundred thirteen".