12222131113 has 8 divisors (see below), whose sum is σ = 13387324680. Its totient is φ = 11106520320.

The previous prime is 12222131107. The next prime is 12222131137. The reversal of 12222131113 is 31113122221.

It can be written as a sum of positive squares in 4 ways, for example, as 7962349824 + 4259781289 = 89232^2 + 65267^2 .

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 12222131113 - 2⁹ = 12222130601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12222131413) 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, 12395178 + ... + 12396163.

It is an arithmetic number, because the mean of its divisors is an integer number (1673415585).

Almost surely, 2^12222131113 is an apocalyptic number.

It is an amenable number.

12222131113 is a deficient number, since it is larger than the sum of its proper divisors (1165193567).

12222131113 is a wasteful number, since it uses less digits than its factorization.

12222131113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24791387.

The product of its digits is 144, while the sum is 19.

Adding to 12222131113 its reverse (31113122221), we get a palindrome (43335253334).

The spelling of 12222131113 in words is "twelve billion, two hundred twenty-two million, one hundred thirty-one thousand, one hundred thirteen".