212000144221 has 8 divisors (see below), whose sum is σ = 212481561600. Its totient is φ = 211518821040.

The previous prime is 212000144201. The next prime is 212000144227. The reversal of 212000144221 is 122441000212.

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 212000144221 - 2⁷ = 212000144093 is a prime.

It is a super-2 number, since 2×212000144221² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212000144227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6511060 + ... + 6543538.

It is an arithmetic number, because the mean of its divisors is an integer number (26560195200).

Almost surely, 2^212000144221 is an apocalyptic number.

It is an amenable number.

212000144221 is a deficient number, since it is larger than the sum of its proper divisors (481417379).

212000144221 is a wasteful number, since it uses less digits than its factorization.

212000144221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47099.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 212000144221 its reverse (122441000212), we get a palindrome (334441144433).

The spelling of 212000144221 in words is "two hundred twelve billion, one hundred forty-four thousand, two hundred twenty-one".