12230320311 has 48 divisors (see below), whose sum is σ = 21168426240. Its totient is φ = 6716856960.

The previous prime is 12230320261. The next prime is 12230320321. The reversal of 12230320311 is 11302303221.

12230320311 is a `hidden beast` number, since 1 + 2 + 2 + 30 + 320 + 311 = 666.

It is not a de Polignac number, because 12230320311 - 2⁶ = 12230320247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12230320321) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 98086 + ... + 184611.

It is an arithmetic number, because the mean of its divisors is an integer number (441008880).

Almost surely, 2^12230320311 is an apocalyptic number.

12230320311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12230320311 is a deficient number, since it is larger than the sum of its proper divisors (8938105929).

12230320311 is a wasteful number, since it uses less digits than its factorization.

12230320311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282756 (or 282753 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12230320311 its reverse (11302303221), we get a palindrome (23532623532).

The spelling of 12230320311 in words is "twelve billion, two hundred thirty million, three hundred twenty thousand, three hundred eleven".