2212353412221 has 32 divisors (see below), whose sum is σ = 3131256078720. Its totient is φ = 1384621553664.

The previous prime is 2212353412219. The next prime is 2212353412237. The reversal of 2212353412221 is 1222143532122.

It is a happy number.

It is not a de Polignac number, because 2212353412221 - 2¹ = 2212353412219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212353412201) 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 31 ways as a sum of consecutive naturals, for example, 33842515 + ... + 33907823.

It is an arithmetic number, because the mean of its divisors is an integer number (97851752460).

Almost surely, 2^{2212353412221} is an apocalyptic number.

It is an amenable number.

2212353412221 is a deficient number, since it is larger than the sum of its proper divisors (918902666499).

2212353412221 is a wasteful number, since it uses less digits than its factorization.

2212353412221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67005.

The product of its digits is 11520, while the sum is 30.

Adding to 2212353412221 its reverse (1222143532122), we get a palindrome (3434496944343).

The spelling of 2212353412221 in words is "two trillion, two hundred twelve billion, three hundred fifty-three million, four hundred twelve thousand, two hundred twenty-one".