212020213301 has 16 divisors (see below), whose sum is σ = 242798263344. Its totient is φ = 183407960064.

The previous prime is 212020213291. The next prime is 212020213303. The reversal of 212020213301 is 103312020212.

It can be written as a sum of positive squares in 8 ways, for example, as 17265697201 + 194754516100 = 131399^2 + 441310^2 .

It is a cyclic number.

It is not a de Polignac number, because 212020213301 - 2²² = 212016018997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 212020213301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212020213303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2007236 + ... + 2110221.

It is an arithmetic number, because the mean of its divisors is an integer number (15174891459).

Almost surely, 2^212020213301 is an apocalyptic number.

It is an amenable number.

212020213301 is a deficient number, since it is larger than the sum of its proper divisors (30778050043).

212020213301 is a wasteful number, since it uses less digits than its factorization.

212020213301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4117720.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 212020213301 its reverse (103312020212), we get a palindrome (315332233513).

The spelling of 212020213301 in words is "two hundred twelve billion, twenty million, two hundred thirteen thousand, three hundred one".