212020022001 has 4 divisors (see below), whose sum is σ = 282693362672. Its totient is φ = 141346681332.

The previous prime is 212020021979. The next prime is 212020022059. The reversal of 212020022001 is 100220020212.

212020022001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-212020022001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212020020001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35336670331 + ... + 35336670336.

It is an arithmetic number, because the mean of its divisors is an integer number (70673340668).

Almost surely, 2^212020022001 is an apocalyptic number.

It is an amenable number.

212020022001 is a deficient number, since it is larger than the sum of its proper divisors (70673340671).

212020022001 is an equidigital number, since it uses as much as digits as its factorization.

212020022001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70673340670.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 212020022001 its reverse (100220020212), we get a palindrome (312240042213).

The spelling of 212020022001 in words is "two hundred twelve billion, twenty million, twenty-two thousand, one".