221422412430212 has 24 divisors (see below), whose sum is σ = 443502840982656. Its totient is φ = 94754316158208.

The previous prime is 221422412430209. The next prime is 221422412430227. The reversal of 221422412430212 is 212034214224122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5875124768 + ... + 5875162455.

It is an arithmetic number, because the mean of its divisors is an integer number (18479285040944).

Almost surely, 2^{221422412430212} is an apocalyptic number.

It is an amenable number.

221422412430212 is an abundant number, since it is smaller than the sum of its proper divisors (222080428552444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221422412430212 is a wasteful number, since it uses less digits than its factorization.

221422412430212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11750287907 (or 11750287905 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 221422412430212 its reverse (212034214224122), we get a palindrome (433456626654334).

The spelling of 221422412430212 in words is "two hundred twenty-one trillion, four hundred twenty-two billion, four hundred twelve million, four hundred thirty thousand, two hundred twelve".