12030220011 has 4 divisors (see below), whose sum is σ = 16040293352. Its totient is φ = 8020146672.

The previous prime is 12030219991. The next prime is 12030220021. The reversal of 12030220011 is 11002203021.

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

It is not a de Polignac number, because 12030220011 - 2²⁵ = 11996665579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12030220021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2005036666 + ... + 2005036671.

It is an arithmetic number, because the mean of its divisors is an integer number (4010073338).

Almost surely, 2^12030220011 is an apocalyptic number.

12030220011 is a deficient number, since it is larger than the sum of its proper divisors (4010073341).

12030220011 is an equidigital number, since it uses as much as digits as its factorization.

12030220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4010073340.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 12030220011 its reverse (11002203021), we get a palindrome (23032423032).

The spelling of 12030220011 in words is "twelve billion, thirty million, two hundred twenty thousand, eleven".