212020013 has 2 divisors, whose sum is σ = 212020014. Its totient is φ = 212020012.

The previous prime is 212020009. The next prime is 212020019. The reversal of 212020013 is 310020212.

It is a happy number.

212020013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210772324 + 1247689 = 14518^2 + 1117^2 .

It is a cyclic number.

It is not a de Polignac number, because 212020013 - 2² = 212020009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212019976 and 212020003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212020019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106010006 + 106010007.

It is an arithmetic number, because the mean of its divisors is an integer number (106010007).

Almost surely, 2^212020013 is an apocalyptic number.

It is an amenable number.

212020013 is a deficient number, since it is larger than the sum of its proper divisors (1).

212020013 is an equidigital number, since it uses as much as digits as its factorization.

212020013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 212020013 is about 14560.9070115841. The cubic root of 212020013 is about 596.2919581014.

Adding to 212020013 its reverse (310020212), we get a palindrome (522040225).

The spelling of 212020013 in words is "two hundred twelve million, twenty thousand, thirteen".