12120011211 has 64 divisors (see below), whose sum is σ = 20478283776. Its totient is φ = 6193584000.

The previous prime is 12120011203. The next prime is 12120011219. The reversal of 12120011211 is 11211002121.

12120011211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12120011203) and next prime (12120011219).

It is not a de Polignac number, because 12120011211 - 2³ = 12120011203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12120011219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3801360 + ... + 3804546.

It is an arithmetic number, because the mean of its divisors is an integer number (319973184).

Almost surely, 2^12120011211 is an apocalyptic number.

12120011211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12120011211 is a deficient number, since it is larger than the sum of its proper divisors (8358272565).

12120011211 is a wasteful number, since it uses less digits than its factorization.

12120011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3472.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12120011211 its reverse (11211002121), we get a palindrome (23331013332).

The spelling of 12120011211 in words is "twelve billion, one hundred twenty million, eleven thousand, two hundred eleven".