212204122401 has 8 divisors (see below), whose sum is σ = 292065889024. Its totient is φ = 136905885360.

The previous prime is 212204122397. The next prime is 212204122411. The reversal of 212204122401 is 104221402212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212204122401 - 2² = 212204122397 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 (212204122411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1140882286 + ... + 1140882471.

It is an arithmetic number, because the mean of its divisors is an integer number (36508236128).

Almost surely, 2^212204122401 is an apocalyptic number.

It is an amenable number.

212204122401 is a deficient number, since it is larger than the sum of its proper divisors (79861766623).

212204122401 is a wasteful number, since it uses less digits than its factorization.

212204122401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281764791.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 212204122401 its reverse (104221402212), we get a palindrome (316425524613).

The spelling of 212204122401 in words is "two hundred twelve billion, two hundred four million, one hundred twenty-two thousand, four hundred one".