12232002311 has 4 divisors (see below), whose sum is σ = 12232227192. Its totient is φ = 12231777432.

The previous prime is 12232002283. The next prime is 12232002323. The reversal of 12232002311 is 11320023221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12232002311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12232002311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12232002511) 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, 25820 + ... + 158526.

It is an arithmetic number, because the mean of its divisors is an integer number (3058056798).

Almost surely, 2^12232002311 is an apocalyptic number.

12232002311 is a deficient number, since it is larger than the sum of its proper divisors (224881).

12232002311 is an equidigital number, since it uses as much as digits as its factorization.

12232002311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224880.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12232002311 its reverse (11320023221), we get a palindrome (23552025532).

The spelling of 12232002311 in words is "twelve billion, two hundred thirty-two million, two thousand, three hundred eleven".