12030322011 has 4 divisors (see below), whose sum is σ = 16040429352. Its totient is φ = 8020214672.

The previous prime is 12030322009. The next prime is 12030322021. The reversal of 12030322011 is 11022303021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11022303021 = 3 ⋅3674101007.

It is a cyclic number.

It is not a de Polignac number, because 12030322011 - 2¹ = 12030322009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12030322001) 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, 2005053666 + ... + 2005053671.

It is an arithmetic number, because the mean of its divisors is an integer number (4010107338).

Almost surely, 2^12030322011 is an apocalyptic number.

12030322011 is a deficient number, since it is larger than the sum of its proper divisors (4010107341).

12030322011 is an equidigital number, since it uses as much as digits as its factorization.

12030322011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4010107340.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12030322011 its reverse (11022303021), we get a palindrome (23052625032).

The spelling of 12030322011 in words is "twelve billion, thirty million, three hundred twenty-two thousand, eleven".