12221031333 has 16 divisors (see below), whose sum is σ = 19055607296. Its totient is φ = 6821040240.

The previous prime is 12221031323. The next prime is 12221031343. The reversal of 12221031333 is 33313012221.

12221031333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12221031323) and next prime (12221031343).

It is not a de Polignac number, because 12221031333 - 2⁶ = 12221031269 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221031323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6766003 + ... + 6767808.

It is an arithmetic number, because the mean of its divisors is an integer number (1190975456).

Almost surely, 2^12221031333 is an apocalyptic number.

It is an amenable number.

12221031333 is a deficient number, since it is larger than the sum of its proper divisors (6834575963).

12221031333 is a wasteful number, since it uses less digits than its factorization.

12221031333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13533864.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12221031333 its reverse (33313012221), we get a palindrome (45534043554).

The spelling of 12221031333 in words is "twelve billion, two hundred twenty-one million, thirty-one thousand, three hundred thirty-three".