212010013 has 4 divisors (see below), whose sum is σ = 212048928. Its totient is φ = 211971100.

The previous prime is 212009989. The next prime is 212010041. The reversal of 212010013 is 310010212.

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 a cyclic number.

It is not a de Polignac number, because 212010013 - 2¹³ = 212001821 is a prime.

It is a super-2 number, since 2×212010013² = 89896491224520338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212010053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9631 + ... + 22732.

It is an arithmetic number, because the mean of its divisors is an integer number (53012232).

Almost surely, 2^212010013 is an apocalyptic number.

It is an amenable number.

212010013 is a deficient number, since it is larger than the sum of its proper divisors (38915).

212010013 is an equidigital number, since it uses as much as digits as its factorization.

212010013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38914.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 212010013 is about 14560.5636223328. The cubic root of 212010013 is about 596.2825831793.

Adding to 212010013 its reverse (310010212), we get a palindrome (522020225).

The spelling of 212010013 in words is "two hundred twelve million, ten thousand, thirteen".