12222223212211 has 8 divisors (see below), whose sum is σ = 12360502810800. Its totient is φ = 12083964752640.

The previous prime is 12222223212193. The next prime is 12222223212337. The reversal of 12222223212211 is 11221232222221.

It is a happy number.

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 12222223212211 - 2³³ = 12213633277619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12222223242211) 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, 4120405 + ... + 6436006.

It is an arithmetic number, because the mean of its divisors is an integer number (1545062851350).

Almost surely, 2^{12222223212211} is an apocalyptic number.

12222223212211 is a deficient number, since it is larger than the sum of its proper divisors (138279598589).

12222223212211 is a wasteful number, since it uses less digits than its factorization.

12222223212211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10569509.

The product of its digits is 1536, while the sum is 25.

Adding to 12222223212211 its reverse (11221232222221), we get a palindrome (23443455434432).

The spelling of 12222223212211 in words is "twelve trillion, two hundred twenty-two billion, two hundred twenty-three million, two hundred twelve thousand, two hundred eleven".