12030202111 has 4 divisors (see below), whose sum is σ = 12031125400. Its totient is φ = 12029278824.

The previous prime is 12030202103. The next prime is 12030202117. The reversal of 12030202111 is 11120203021.

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

It is a cyclic number.

It is not a de Polignac number, because 12030202111 - 2³ = 12030202103 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12030202091 and 12030202100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12030202117) 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, 441816 + ... + 468253.

It is an arithmetic number, because the mean of its divisors is an integer number (3007781350).

Almost surely, 2^12030202111 is an apocalyptic number.

12030202111 is a deficient number, since it is larger than the sum of its proper divisors (923289).

12030202111 is an equidigital number, since it uses as much as digits as its factorization.

12030202111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923288.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12030202111 its reverse (11120203021), we get a palindrome (23150405132).

The spelling of 12030202111 in words is "twelve billion, thirty million, two hundred two thousand, one hundred eleven".