212300013 has 4 divisors (see below), whose sum is σ = 283066688. Its totient is φ = 141533340.

The previous prime is 212299991. The next prime is 212300021. The reversal of 212300013 is 310003212.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 212300013 - 2⁶ = 212299949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212300083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35383333 + ... + 35383338.

It is an arithmetic number, because the mean of its divisors is an integer number (70766672).

Almost surely, 2^212300013 is an apocalyptic number.

It is an amenable number.

212300013 is a deficient number, since it is larger than the sum of its proper divisors (70766675).

212300013 is an equidigital number, since it uses as much as digits as its factorization.

212300013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70766674.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 212300013 is about 14570.5186249495. The cubic root of 212300013 is about 596.5543363262.

Adding to 212300013 its reverse (310003212), we get a palindrome (522303225).

The spelling of 212300013 in words is "two hundred twelve million, three hundred thousand, thirteen".