12111211112333 has 12 divisors (see below), whose sum is σ = 12783504504060. Its totient is φ = 11472601098816.

The previous prime is 12111211112311. The next prime is 12111211112431. The reversal of 12111211112333 is 33321111211121.

It can be written as a sum of positive squares in 2 ways, for example, as 7338480535369 + 4772730576964 = 2708963^2 + 2184658^2 .

It is not a de Polignac number, because 12111211112333 - 2¹⁰ = 12111211111309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12111211112299 and 12111211112308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111211142333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1809491 + ... + 5243727.

It is an arithmetic number, because the mean of its divisors is an integer number (1065292042005).

Almost surely, 2^{12111211112333} is an apocalyptic number.

It is an amenable number.

12111211112333 is a deficient number, since it is larger than the sum of its proper divisors (672293391727).

12111211112333 is an equidigital number, since it uses as much as digits as its factorization.

12111211112333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3444044 (or 3444025 counting only the distinct ones).

The product of its digits is 216, while the sum is 23.

Adding to 12111211112333 its reverse (33321111211121), we get a palindrome (45432322323454).

The spelling of 12111211112333 in words is "twelve trillion, one hundred eleven billion, two hundred eleven million, one hundred twelve thousand, three hundred thirty-three".