212045513 has 8 divisors (see below), whose sum is σ = 217301568. Its totient is φ = 206804304.

The previous prime is 212045507. The next prime is 212045531. The reversal of 212045513 is 315540212.

212045513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 212045513 - 2⁴ = 212045497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212045543) 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, 28631 + ... + 35267.

It is an arithmetic number, because the mean of its divisors is an integer number (27162696).

Almost surely, 2^212045513 is an apocalyptic number.

It is an amenable number.

212045513 is a deficient number, since it is larger than the sum of its proper divisors (5256055).

212045513 is an equidigital number, since it uses as much as digits as its factorization.

212045513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7423.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 212045513 is about 14561.7826175232. The cubic root of 212045513 is about 596.3158628186.

Adding to 212045513 its reverse (315540212), we get a palindrome (527585725).

The spelling of 212045513 in words is "two hundred twelve million, forty-five thousand, five hundred thirteen".