12232022311 has 4 divisors (see below), whose sum is σ = 12763849392. Its totient is φ = 11700195232.

The previous prime is 12232022281. The next prime is 12232022321. The reversal of 12232022311 is 11322023221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12232022311 - 2¹¹ = 12232020263 is a prime.

It is a super-3 number, since 3×12232022311³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12232022321) 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, 265913506 + ... + 265913551.

It is an arithmetic number, because the mean of its divisors is an integer number (3190962348).

Almost surely, 2^12232022311 is an apocalyptic number.

12232022311 is a deficient number, since it is larger than the sum of its proper divisors (531827081).

12232022311 is an equidigital number, since it uses as much as digits as its factorization.

12232022311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531827080.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12232022311 its reverse (11322023221), we get a palindrome (23554045532).

The spelling of 12232022311 in words is "twelve billion, two hundred thirty-two million, twenty-two thousand, three hundred eleven".