212020301121 has 8 divisors (see below), whose sum is σ = 282705005760. Its totient is φ = 141341231952.

The previous prime is 212020301083. The next prime is 212020301131. The reversal of 212020301121 is 121103020212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212020301121 - 2⁷ = 212020300993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212020301121.

It is not an unprimeable number, because it can be changed into a prime (212020301131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1320285 + ... + 1472138.

It is an arithmetic number, because the mean of its divisors is an integer number (35338125720).

Almost surely, 2^212020301121 is an apocalyptic number.

It is an amenable number.

212020301121 is a deficient number, since it is larger than the sum of its proper divisors (70684704639).

212020301121 is a wasteful number, since it uses less digits than its factorization.

212020301121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2817735.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 212020301121 its reverse (121103020212), we get a palindrome (333123321333).

The spelling of 212020301121 in words is "two hundred twelve billion, twenty million, three hundred one thousand, one hundred twenty-one".