212012000220001 has 4 divisors (see below), whose sum is σ = 212136933633732. Its totient is φ = 211887066806272.

The previous prime is 212012000219953. The next prime is 212012000220019. The reversal of 212012000220001 is 100022000210212.

It is a happy number.

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 131130324976225 + 80881675243776 = 11451215^2 + 8993424^2 .

It is a cyclic number.

It is not a de Polignac number, because 212012000220001 - 2³³ = 212003410285409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212012000226001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62466704320 + ... + 62466707713.

It is an arithmetic number, because the mean of its divisors is an integer number (53034233408433).

Almost surely, 2^{212012000220001} is an apocalyptic number.

It is an amenable number.

212012000220001 is a deficient number, since it is larger than the sum of its proper divisors (124933413731).

212012000220001 is a wasteful number, since it uses less digits than its factorization.

212012000220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124933413730.

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

Adding to 212012000220001 its reverse (100022000210212), we get a palindrome (312034000430213).

The spelling of 212012000220001 in words is "two hundred twelve trillion, twelve billion, two hundred twenty thousand, one".