212020201020001 has 12 divisors (see below), whose sum is σ = 233047491123412. Its totient is φ = 192745229292000.

The previous prime is 212020201019953. The next prime is 212020201020031. The reversal of 212020201020001 is 100020102020212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 50049271851601 + 161970929168400 = 7074551^2 + 12726780^2 .

It is not a de Polignac number, because 212020201020001 - 2¹¹ = 212020201017953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212020201020031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65658271 + ... + 68811691.

Almost surely, 2^{212020201020001} is an apocalyptic number.

It is an amenable number.

212020201020001 is a deficient number, since it is larger than the sum of its proper divisors (21027290103411).

212020201020001 is a wasteful number, since it uses less digits than its factorization.

212020201020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3709104 (or 3709093 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 212020201020001 its reverse (100020102020212), we get a palindrome (312040303040213).

The spelling of 212020201020001 in words is "two hundred twelve trillion, twenty billion, two hundred one million, twenty thousand, one".