212304221401 has 8 divisors (see below), whose sum is σ = 219229543424. Its totient is φ = 205383699360.

The previous prime is 212304221357. The next prime is 212304221407. The reversal of 212304221401 is 104122403212.

212304221401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 212304221401 - 2⁷ = 212304221273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212304221407) 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 7 ways as a sum of consecutive naturals, for example, 1109985 + ... + 1287118.

It is an arithmetic number, because the mean of its divisors is an integer number (27403692928).

Almost surely, 2^212304221401 is an apocalyptic number.

It is an amenable number.

212304221401 is a deficient number, since it is larger than the sum of its proper divisors (6925322023).

212304221401 is a wasteful number, since it uses less digits than its factorization.

212304221401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2399991.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 212304221401 its reverse (104122403212), we get a palindrome (316426624613).

The spelling of 212304221401 in words is "two hundred twelve billion, three hundred four million, two hundred twenty-one thousand, four hundred one".