12030322311 has 32 divisors (see below), whose sum is σ = 20400683520. Its totient is φ = 6863709312.

The previous prime is 12030322309. The next prime is 12030322313. The reversal of 12030322311 is 11322303021.

12030322311 is a `hidden beast` number, since 1 + 2 + 0 + 30 + 322 + 311 = 666.

It is an interprime number because it is at equal distance from previous prime (12030322309) and next prime (12030322313).

It is not a de Polignac number, because 12030322311 - 2¹ = 12030322309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12030322313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72031 + ... + 171023.

It is an arithmetic number, because the mean of its divisors is an integer number (637521360).

Almost surely, 2^12030322311 is an apocalyptic number.

12030322311 is a deficient number, since it is larger than the sum of its proper divisors (8370361209).

12030322311 is an equidigital number, since it uses as much as digits as its factorization.

12030322311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99652 (or 99646 counting only the distinct ones).

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

Adding to 12030322311 its reverse (11322303021), we get a palindrome (23352625332).

The spelling of 12030322311 in words is "twelve billion, thirty million, three hundred twenty-two thousand, three hundred eleven".