212302222001 has 4 divisors (see below), whose sum is σ = 212313146100. Its totient is φ = 212291297904.

The previous prime is 212302221977. The next prime is 212302222049. The reversal of 212302222001 is 100222203212.

212302222001 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.

It can be written as a sum of positive squares in 2 ways, for example, as 40330278976 + 171971943025 = 200824^2 + 414695^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212302222001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (212302222081) 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, 5432846 + ... + 5471783.

It is an arithmetic number, because the mean of its divisors is an integer number (53078286525).

Almost surely, 2^212302222001 is an apocalyptic number.

It is an amenable number.

212302222001 is a deficient number, since it is larger than the sum of its proper divisors (10924099).

212302222001 is a wasteful number, since it uses less digits than its factorization.

212302222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10924098.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 212302222001 its reverse (100222203212), we get a palindrome (312524425213).

The spelling of 212302222001 in words is "two hundred twelve billion, three hundred two million, two hundred twenty-two thousand, one".