212020321213 has 8 divisors (see below), whose sum is σ = 212456805120. Its totient is φ = 211584232080.

The previous prime is 212020321157. The next prime is 212020321267. The reversal of 212020321213 is 312123020212.

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 212020321213 - 2³⁷ = 74581367741 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 (212020321283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 988831 + ... + 1183987.

It is an arithmetic number, because the mean of its divisors is an integer number (26557100640).

Almost surely, 2^212020321213 is an apocalyptic number.

It is an amenable number.

212020321213 is a deficient number, since it is larger than the sum of its proper divisors (436483907).

212020321213 is a wasteful number, since it uses less digits than its factorization.

212020321213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197387.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 212020321213 its reverse (312123020212), we get a palindrome (524143341425).

The spelling of 212020321213 in words is "two hundred twelve billion, twenty million, three hundred twenty-one thousand, two hundred thirteen".