212020000001 has 4 divisors (see below), whose sum is σ = 212021989332. Its totient is φ = 212018010672.

The previous prime is 212019999979. The next prime is 212020000037. The reversal of 212020000001 is 100000020212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 126326219776 + 85693780225 = 355424^2 + 292735^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212020000001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212020000301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 825170 + ... + 1051163.

It is an arithmetic number, because the mean of its divisors is an integer number (53005497333).

Almost surely, 2^212020000001 is an apocalyptic number.

It is an amenable number.

212020000001 is a deficient number, since it is larger than the sum of its proper divisors (1989331).

212020000001 is a wasteful number, since it uses less digits than its factorization.

212020000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1989330.

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 212020000001 its reverse (100000020212), we get a palindrome (312020020213).

The spelling of 212020000001 in words is "two hundred twelve billion, twenty million, one", and thus it is an aban number.