12211230121333 has 4 divisors (see below), whose sum is σ = 12211240635468. Its totient is φ = 12211219607200.

The previous prime is 12211230121313. The next prime is 12211230121357. The reversal of 12211230121333 is 33312103211221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 7281400337649 + 4929829783684 = 2698407^2 + 2220322^2 .

It is a cyclic number.

It is not a de Polignac number, because 12211230121333 - 2²⁵ = 12211196566901 is a prime.

It is a super-2 number, since 2×12211230121333² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12211230121298 and 12211230121307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211230121303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3262768 + ... + 5921833.

It is an arithmetic number, because the mean of its divisors is an integer number (3052810158867).

Almost surely, 2^{12211230121333} is an apocalyptic number.

It is an amenable number.

12211230121333 is a deficient number, since it is larger than the sum of its proper divisors (10514135).

12211230121333 is an equidigital number, since it uses as much as digits as its factorization.

12211230121333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10514134.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 12211230121333 its reverse (33312103211221), we get a palindrome (45523333332554).

The spelling of 12211230121333 in words is "twelve trillion, two hundred eleven billion, two hundred thirty million, one hundred twenty-one thousand, three hundred thirty-three".