12233220311 has 12 divisors (see below), whose sum is σ = 13368171960. Its totient is φ = 11188588320.

The previous prime is 12233220277. The next prime is 12233220313. The reversal of 12233220311 is 11302233221.

It is a de Polignac number, because none of the positive numbers 2^k-12233220311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12233220313) 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, 313625 + ... + 350466.

It is an arithmetic number, because the mean of its divisors is an integer number (1114014330).

Almost surely, 2^12233220311 is an apocalyptic number.

12233220311 is a deficient number, since it is larger than the sum of its proper divisors (1134951649).

12233220311 is a wasteful number, since it uses less digits than its factorization.

12233220311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664226 (or 664213 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12233220311 its reverse (11302233221), we get a palindrome (23535453532).

The spelling of 12233220311 in words is "twelve billion, two hundred thirty-three million, two hundred twenty thousand, three hundred eleven".