12012330311 has 2 divisors, whose sum is σ = 12012330312. Its totient is φ = 12012330310.

The previous prime is 12012330299. The next prime is 12012330361. The reversal of 12012330311 is 11303321021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12012330311 - 2⁶ = 12012330247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12012330311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12012330361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006165155 + 6006165156.

It is an arithmetic number, because the mean of its divisors is an integer number (6006165156).

Almost surely, 2^12012330311 is an apocalyptic number.

12012330311 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012330311 is an equidigital number, since it uses as much as digits as its factorization.

12012330311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12012330311 its reverse (11303321021), we get a palindrome (23315651332).

The spelling of 12012330311 in words is "twelve billion, twelve million, three hundred thirty thousand, three hundred eleven".