212020223013 has 6 divisors (see below), whose sum is σ = 306251433254. Its totient is φ = 141346815336.

The previous prime is 212020223003. The next prime is 212020223027. The reversal of 212020223013 is 310322020212.

It can be written as a sum of positive squares in only one way, i.e., 126026420004 + 85993803009 = 355002^2 + 293247^2 .

It is not a de Polignac number, because 212020223013 - 2¹³ = 212020214821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212020223003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11778901270 + ... + 11778901287.

Almost surely, 2^212020223013 is an apocalyptic number.

It is an amenable number.

212020223013 is a deficient number, since it is larger than the sum of its proper divisors (94231210241).

212020223013 is a wasteful number, since it uses less digits than its factorization.

212020223013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23557802563 (or 23557802560 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 212020223013 its reverse (310322020212), we get a palindrome (522342243225).

The spelling of 212020223013 in words is "two hundred twelve billion, twenty million, two hundred twenty-three thousand, thirteen".