12222122213 has 16 divisors (see below), whose sum is σ = 14030163456. Its totient is φ = 10429657200.

The previous prime is 12222122207. The next prime is 12222122221. The reversal of 12222122213 is 31222122221.

It is a cyclic number.

It is not a de Polignac number, because 12222122213 - 2¹⁰ = 12222121189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222122813) 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 15 ways as a sum of consecutive naturals, for example, 3015038 + ... + 3019088.

It is an arithmetic number, because the mean of its divisors is an integer number (876885216).

Almost surely, 2^12222122213 is an apocalyptic number.

It is an amenable number.

12222122213 is a deficient number, since it is larger than the sum of its proper divisors (1808041243).

12222122213 is a wasteful number, since it uses less digits than its factorization.

12222122213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5864.

The product of its digits is 384, while the sum is 20.

Adding to 12222122213 its reverse (31222122221), we get a palindrome (43444244434).

The spelling of 12222122213 in words is "twelve billion, two hundred twenty-two million, one hundred twenty-two thousand, two hundred thirteen".