12120210011 has 12 divisors (see below), whose sum is σ = 14999145552. Its totient is φ = 9589615776.

The previous prime is 12120210001. The next prime is 12120210059. The reversal of 12120210011 is 11001202121.

It is not a de Polignac number, because 12120210011 - 2⁶ = 12120209947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12120209974 and 12120210001.

It is not an unprimeable number, because it can be changed into a prime (12120210001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5121476 + ... + 5123841.

It is an arithmetic number, because the mean of its divisors is an integer number (1249928796).

Almost surely, 2^12120210011 is an apocalyptic number.

12120210011 is a deficient number, since it is larger than the sum of its proper divisors (2878935541).

12120210011 is a wasteful number, since it uses less digits than its factorization.

12120210011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10245350 (or 10245337 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12120210011 its reverse (11001202121), we get a palindrome (23121412132).

The spelling of 12120210011 in words is "twelve billion, one hundred twenty million, two hundred ten thousand, eleven".